diff --git a/apps/admin/src/components/ShowInfoFormContent/ShowBasicInfoFormContent.tsx b/apps/admin/src/components/ShowInfoFormContent/ShowBasicInfoFormContent.tsx
index fea5be56..161d5184 100644
--- a/apps/admin/src/components/ShowInfoFormContent/ShowBasicInfoFormContent.tsx
+++ b/apps/admin/src/components/ShowInfoFormContent/ShowBasicInfoFormContent.tsx
@@ -2,7 +2,7 @@ import { ImageFile } from '@boolti/api';
 import { CloseIcon, FileUpIcon } from '@boolti/icon';
 import { Button, TextField, TimePicker, useDialog } from '@boolti/ui';
 import { add, format } from 'date-fns';
-import { useRef, useState } from 'react';
+import { useRef } from 'react';
 import { useDropzone } from 'react-dropzone';
 import { Controller, UseFormReturn } from 'react-hook-form';
 import DaumPostcode from 'react-daum-postcode';
@@ -12,8 +12,7 @@ import { ShowInfoFormInputs } from './types';
 import { useBodyScrollLock } from '~/hooks/useBodyScrollLock';
 
 const MAX_IMAGE_COUNT = 3;
-
-type ShowBasicInfoFormInputs = Omit<ShowInfoFormInputs, 'notice' | 'hostName' | 'hostPhoneNumber'>;
+const MIN_DATE = format(add(new Date(), { days: 1 }), 'yyyy-MM-dd')
 
 interface ShowBasicInfoFormContentProps {
   form: UseFormReturn<ShowInfoFormInputs, unknown, ShowInfoFormInputs>;
@@ -31,9 +30,9 @@ const ShowBasicInfoFormContent = ({
   onDeleteImage,
 }: ShowBasicInfoFormContentProps) => {
   const { open, close, isOpen } = useDialog();
-  const detailAdressInputRef = useRef<HTMLInputElement>(null);
+  const detailAddressInputRef = useRef<HTMLInputElement>(null);
 
-  const { control, setValue } = form;
+  const { control, setValue, formState: { errors }, setError, clearErrors } = form;
 
   const { getRootProps, getInputProps } = useDropzone({
     accept: {
@@ -43,16 +42,6 @@ const ShowBasicInfoFormContent = ({
     onDrop: onDropImage,
   });
 
-  const [hasBlurred, setHasBlurred] = useState<Record<keyof ShowBasicInfoFormInputs, boolean>>({
-    name: false,
-    date: false,
-    startTime: false,
-    runningTime: false,
-    placeName: false,
-    placeStreetAddress: false,
-    placeDetailAddress: false,
-  });
-
   const openDaumPostCodeWithDialog: React.MouseEventHandler<HTMLButtonElement> = (e) => {
     e.preventDefault();
     open({
@@ -62,10 +51,9 @@ const ShowBasicInfoFormContent = ({
           style={{ maxWidth: 426, height: 470 }}
           onComplete={(address) => {
             setValue('placeStreetAddress', address.roadAddress);
-            detailAdressInputRef.current?.focus();
+            detailAddressInputRef.current?.focus();
           }}
           onClose={() => {
-            setHasBlurred((prev) => ({ ...prev, placeStreetAddress: true }));
             close();
           }}
         />
@@ -87,8 +75,8 @@ const ShowBasicInfoFormContent = ({
         <Styled.ShowInfoFormContent>
           <Styled.ShowInfoFormLabel required>공연 포스터</Styled.ShowInfoFormLabel>
           <Styled.ShowInfoFormDescription>
-            원하시는 <strong>노출 순서대로</strong> 이미지를 업로드해주세요. (최소 1장, 최대{' '}
-            {MAX_IMAGE_COUNT}장 업로드 가능 / jpg, png 형식)
+            원하시는 노출 순서대로 이미지를 업로드해주세요. 표준 종이규격(A, B)의 이미지를 권장합니다.<br />
+            (최소 1장, 최대 {MAX_IMAGE_COUNT}장 업로드 가능 / jpg, png 형식)
           </Styled.ShowInfoFormDescription>
           <Styled.PreviewImageContainer>
             {imageFiles.map((file, index) => (
@@ -143,13 +131,20 @@ const ShowBasicInfoFormContent = ({
                   placeholder="공연명을 입력해 주세요 (띄어쓰기 포함 최대 40자)"
                   required
                   disabled={disabled}
-                  onChange={onChange}
+                  onChange={(event) => {
+                    onChange(event);
+                    clearErrors('name');
+                  }}
                   onBlur={() => {
                     onBlur();
-                    setHasBlurred((prev) => ({ ...prev, name: true }));
+
+                    if (!value) {
+                      setError('name', { type: 'required', message: '필수 입력사항입니다.' });
+                      return
+                    }
                   }}
                   value={value ?? ''}
-                  errorMessage={hasBlurred.name && !value ? '필수 입력사항입니다.' : undefined}
+                  errorMessage={errors.name?.message}
                 />
               )}
               name="name"
@@ -164,23 +159,36 @@ const ShowBasicInfoFormContent = ({
             <Controller
               control={control}
               rules={{
+                min: MIN_DATE,
                 required: true,
               }}
               render={({ field: { onChange, onBlur, value } }) => (
                 <TextField
                   inputType="date"
                   size="big"
-                  onChange={onChange}
+                  onChange={(event) => {
+                    onChange(event);
+                    clearErrors('date');
+
+                    if (new Date(event.target.value) < new Date(MIN_DATE)) {
+                      setError('date', { type: 'min', message: '오늘 이후의 날짜를 선택해 주세요.' });
+                      return
+                    }
+                  }}
                   onBlur={() => {
                     onBlur();
-                    setHasBlurred((prev) => ({ ...prev, date: true }));
+
+                    if (!value) {
+                      setError('date', { type: 'required', message: '필수 입력사항입니다.' });
+                      return
+                    }
                   }}
                   placeholder={value}
-                  min={format(add(new Date(), { days: 1 }), 'yyyy-MM-dd')}
+                  min={MIN_DATE}
                   required
                   disabled={disabled}
                   value={value ?? ''}
-                  errorMessage={hasBlurred.date && !value ? '필수 입력사항입니다.' : undefined}
+                  errorMessage={errors.date?.message}
                 />
               )}
               name="date"
@@ -190,7 +198,7 @@ const ShowBasicInfoFormContent = ({
       </Styled.ShowInfoFormRow>
       <Styled.ShowInfoFormRow>
         <Styled.ShowInfoFormContent>
-          <Styled.ShowInfoFormLabel required>공연 시작 시간</Styled.ShowInfoFormLabel>
+          <Styled.ShowInfoFormLabel required>시작 시간</Styled.ShowInfoFormLabel>
           <Styled.TextField>
             <Controller
               control={control}
@@ -201,15 +209,20 @@ const ShowBasicInfoFormContent = ({
                 return (
                   <TimePicker
                     disabled={disabled}
-                    onChange={onChange}
+                    onChange={(event) => {
+                      onChange(event);
+                      clearErrors('startTime');
+                    }}
                     onBlur={() => {
                       onBlur();
-                      setHasBlurred((prev) => ({ ...prev, startTime: true }));
+
+                      if (!value) {
+                        setError('startTime', { type: 'required', message: '필수 입력사항입니다.' });
+                        return
+                      }
                     }}
                     value={value}
-                    errorMessage={
-                      hasBlurred.startTime && !value ? '필수 입력사항입니다.' : undefined
-                    }
+                    errorMessage={errors.startTime?.message}
                   />
                 );
               }}
@@ -232,15 +245,20 @@ const ShowBasicInfoFormContent = ({
                   min={0}
                   required
                   disabled={disabled}
-                  onChange={onChange}
+                  onChange={(event) => {
+                    onChange(event);
+                    clearErrors('runningTime');
+                  }}
                   onBlur={() => {
                     onBlur();
-                    setHasBlurred((prev) => ({ ...prev, runningTime: true }));
+
+                    if (!value) {
+                      setError('runningTime', { type: 'required', message: '필수 입력사항입니다.' });
+                      return
+                    }
                   }}
                   value={value ?? ''}
-                  errorMessage={
-                    hasBlurred.runningTime && !value ? '필수 입력사항입니다.' : undefined
-                  }
+                  errorMessage={errors.runningTime?.message}
                 />
               )}
               name="runningTime"
@@ -265,13 +283,20 @@ const ShowBasicInfoFormContent = ({
                   placeholder="공연장명을 입력해 주세요"
                   required
                   disabled={disabled}
-                  onChange={onChange}
+                  onChange={(event) => {
+                    onChange(event);
+                    clearErrors('placeName');
+                  }}
                   onBlur={() => {
                     onBlur();
-                    setHasBlurred((prev) => ({ ...prev, placeName: true }));
+
+                    if (!value) {
+                      setError('placeName', { type: 'required', message: '필수 입력사항입니다.' });
+                      return
+                    }
                   }}
                   value={value ?? ''}
-                  errorMessage={hasBlurred.placeName && !value ? '필수 입력사항입니다.' : undefined}
+                  errorMessage={errors.placeName?.message}
                 />
               )}
               name="placeName"
@@ -297,9 +322,7 @@ const ShowBasicInfoFormContent = ({
                     required
                     disabled
                     value={value ?? ''}
-                    errorMessage={
-                      hasBlurred.placeStreetAddress && !value ? '필수 입력사항입니다.' : undefined
-                    }
+                    errorMessage={errors.placeStreetAddress?.message}
                   />
                   <Button colorTheme="netural" size="bold" onClick={openDaumPostCodeWithDialog}>
                     주소 찾기
@@ -317,21 +340,26 @@ const ShowBasicInfoFormContent = ({
               }}
               render={({ field: { onChange, onBlur, value } }) => (
                 <TextField
-                  ref={detailAdressInputRef}
+                  ref={detailAddressInputRef}
                   inputType="text"
                   size="big"
                   placeholder="상세 주소를 입력해 주세요"
                   required
                   disabled={disabled}
-                  onChange={onChange}
+                  onChange={(event) => {
+                    onChange(event);
+                    clearErrors('placeDetailAddress');
+                  }}
                   onBlur={() => {
                     onBlur();
-                    setHasBlurred((prev) => ({ ...prev, placeDetailAddress: true }));
+
+                    if (!value) {
+                      setError('placeDetailAddress', { type: 'required', message: '필수 입력사항입니다.' });
+                      return
+                    }
                   }}
                   value={value ?? ''}
-                  errorMessage={
-                    hasBlurred.placeDetailAddress && !value ? '필수 입력사항입니다.' : undefined
-                  }
+                  errorMessage={errors.placeDetailAddress?.message}
                 />
               )}
               name="placeDetailAddress"
diff --git a/apps/admin/src/components/ShowInfoFormContent/ShowCastInfoFormContent.tsx b/apps/admin/src/components/ShowInfoFormContent/ShowCastInfoFormContent.tsx
index 1eaa6595..eeae5a87 100644
--- a/apps/admin/src/components/ShowInfoFormContent/ShowCastInfoFormContent.tsx
+++ b/apps/admin/src/components/ShowInfoFormContent/ShowCastInfoFormContent.tsx
@@ -7,11 +7,10 @@ import ShowCastInfoFormDialogContent, {
 } from '../ShowCastInfoFormDialogContent';
 
 interface Props {
-  hasPreviousCastInfo?: boolean;
   onSave: (value: TempShowCastInfoFormInput) => Promise<void>;
 }
 
-const ShowCastInfoFormContent = ({ hasPreviousCastInfo = false, onSave }: Props) => {
+const ShowCastInfoFormContent = ({ onSave }: Props) => {
   const dialog = useDialog();
 
   const onClick = () => {
@@ -46,12 +45,6 @@ const ShowCastInfoFormContent = ({ hasPreviousCastInfo = false, onSave }: Props)
           </Styled.ShowInfoFormTitle>
           <Styled.ShowInfoFormSubtitle>
             출연진 정보를 팀 단위로 등록해 주세요.
-            {!hasPreviousCastInfo && (
-              <>
-                <br />
-                정보는 공연 등록 이후에도 <strong>수정 및 추가</strong>할 수 있어요.
-              </>
-            )}
           </Styled.ShowInfoFormSubtitle>
         </Styled.ShowInfoFormGroupInfo>
         <Styled.DesktopCastInfoRegisterButton
diff --git a/apps/admin/src/components/ShowInfoFormContent/ShowDetailInfoFormContent.tsx b/apps/admin/src/components/ShowInfoFormContent/ShowDetailInfoFormContent.tsx
index 36774ed4..092072a9 100644
--- a/apps/admin/src/components/ShowInfoFormContent/ShowDetailInfoFormContent.tsx
+++ b/apps/admin/src/components/ShowInfoFormContent/ShowDetailInfoFormContent.tsx
@@ -1,25 +1,18 @@
 import { TextField } from '@boolti/ui';
-import { useState } from 'react';
 import { Controller, UseFormReturn } from 'react-hook-form';
 
 import Styled from './ShowInfoFormContent.styles';
 import { ShowInfoFormInputs } from './types';
 
-type ShowBasicInfoFormInputs = Pick<ShowInfoFormInputs, 'notice' | 'hostName' | 'hostPhoneNumber'>;
-
 interface ShowDetailInfoFormContentProps {
   form: UseFormReturn<ShowInfoFormInputs>;
   disabled?: boolean;
 }
 
-const ShowDetailInfoFormContent = ({ form, disabled }: ShowDetailInfoFormContentProps) => {
-  const { control } = form;
+const phoneNumberRegExp = /^\d{3}-\d{3,4}-\d{4}$/
 
-  const [hasBlurred, setHasBlurred] = useState<Record<keyof ShowBasicInfoFormInputs, boolean>>({
-    notice: false,
-    hostName: false,
-    hostPhoneNumber: false,
-  });
+const ShowDetailInfoFormContent = ({ form, disabled }: ShowDetailInfoFormContentProps) => {
+  const { control, formState: { errors }, setError, clearErrors } = form;
 
   return (
     <Styled.ShowInfoFormGroup>
@@ -45,16 +38,22 @@ const ShowDetailInfoFormContent = ({ form, disabled }: ShowDetailInfoFormContent
                   placeholder="(ex. 공연 참가팀, 팀소개, 공연곡 소개 등)"
                   rows={10}
                   disabled={disabled}
-                  onChange={onChange}
+                  onChange={(event) => {
+                    onChange(event);
+                    clearErrors('notice');
+                  }}
                   onBlur={() => {
                     onBlur();
-                    setHasBlurred((prev) => ({ ...prev, notice: true }));
+
+                    if (!value) {
+                      setError('notice', { type: 'required', message: '필수 입력사항입니다.' });
+                    }
                   }}
                   value={value ?? ''}
-                  hasError={hasBlurred.notice && !value}
+                  hasError={!!errors.notice?.message}
                 />
-                {hasBlurred.notice && !value && (
-                  <Styled.TextAreaErrorMessage>필수 입력사항입니다.</Styled.TextAreaErrorMessage>
+                {errors.notice?.message && (
+                  <Styled.TextAreaErrorMessage>{errors.notice.message}</Styled.TextAreaErrorMessage>
                 )}
               </Styled.TextAreaContainer>
             )}
@@ -62,37 +61,45 @@ const ShowDetailInfoFormContent = ({ form, disabled }: ShowDetailInfoFormContent
           />
         </Styled.ShowInfoFormContent>
       </Styled.ShowInfoFormRow>
-      <Styled.ShowInfoFormRow>
-        <Styled.ShowInfoFormContent>
-          <Styled.ShowInfoFormLabel required>대표자 이름</Styled.ShowInfoFormLabel>
+      <Styled.ShowInfoFormResponsiveRowColumn>
+        <Styled.ShowInfoFormContent style={{ flex: 0.58, minWidth: '216px' }}>
+          <Styled.ShowInfoFormLabel required>대표자명</Styled.ShowInfoFormLabel>
           <Styled.TextField>
             <Controller
               control={control}
               rules={{
                 required: true,
+                validate: (fieldValue) => {
+                  if (!fieldValue) return '필수 입력사항입니다.'
+
+                  return true
+                }
               }}
               render={({ field: { onChange, onBlur, value } }) => (
                 <TextField
                   inputType="text"
                   size="big"
-                  placeholder="대표자 이름을 입력해 주세요"
+                  placeholder="대표자명을 입력해 주세요"
                   required
                   disabled={disabled}
-                  onChange={onChange}
+                  onChange={(event) => {
+                    onChange(event);
+                    clearErrors('hostName')
+                  }}
                   onBlur={() => {
                     onBlur();
-                    setHasBlurred((prev) => ({ ...prev, hostName: true }));
+                    if (!value) {
+                      setError('hostName', { type: 'required', message: '필수 입력사항입니다.' });
+                    }
                   }}
                   value={value ?? ''}
-                  errorMessage={hasBlurred.hostName && !value ? '필수 입력사항입니다.' : undefined}
+                  errorMessage={errors.hostName?.message}
                 />
               )}
               name="hostName"
             />
           </Styled.TextField>
         </Styled.ShowInfoFormContent>
-      </Styled.ShowInfoFormRow>
-      <Styled.ShowInfoFormRow>
         <Styled.ShowInfoFormContent>
           <Styled.ShowInfoFormLabel required>대표자 연락처</Styled.ShowInfoFormLabel>
           <Styled.TextField>
@@ -100,6 +107,7 @@ const ShowDetailInfoFormContent = ({ form, disabled }: ShowDetailInfoFormContent
               control={control}
               rules={{
                 required: true,
+                pattern: phoneNumberRegExp,
               }}
               render={({ field: { onChange, onBlur, value } }) => (
                 <TextField
@@ -108,22 +116,32 @@ const ShowDetailInfoFormContent = ({ form, disabled }: ShowDetailInfoFormContent
                   placeholder="대표자 연락처를 입력해 주세요"
                   required
                   disabled={disabled}
-                  onChange={onChange}
+                  onChange={(event) => {
+                    onChange(event);
+                    clearErrors('hostPhoneNumber')
+                  }}
                   onBlur={() => {
                     onBlur();
-                    setHasBlurred((prev) => ({ ...prev, hostPhoneNumber: true }));
+
+                    if (!value) {
+                      setError('hostPhoneNumber', { type: 'required', message: '필수 입력사항입니다.' });
+                      return
+                    }
+
+                    if (!phoneNumberRegExp.test(value)) {
+                      setError('hostPhoneNumber', { type: 'pattern', message: '유효한 전화번호 형식이 아닙니다.' });
+                      return
+                    }
                   }}
                   value={value ?? ''}
-                  errorMessage={
-                    hasBlurred.hostPhoneNumber && !value ? '필수 입력사항입니다.' : undefined
-                  }
+                  errorMessage={errors.hostPhoneNumber?.message}
                 />
               )}
               name="hostPhoneNumber"
             />
           </Styled.TextField>
         </Styled.ShowInfoFormContent>
-      </Styled.ShowInfoFormRow>
+      </Styled.ShowInfoFormResponsiveRowColumn>
     </Styled.ShowInfoFormGroup>
   );
 };
diff --git a/apps/admin/src/components/ShowInfoFormContent/ShowInfoFormContent.styles.ts b/apps/admin/src/components/ShowInfoFormContent/ShowInfoFormContent.styles.ts
index da0a2fe6..49b4b619 100644
--- a/apps/admin/src/components/ShowInfoFormContent/ShowInfoFormContent.styles.ts
+++ b/apps/admin/src/components/ShowInfoFormContent/ShowInfoFormContent.styles.ts
@@ -75,6 +75,22 @@ const ShowInfoFormRow = styled.div`
   }
 `;
 
+const ShowInfoFormResponsiveRowColumn = styled.div`
+  display: flex;
+  flex-direction: column;
+  gap: 28px;
+  margin-bottom: 28px;
+
+  ${mq_lg} {
+    flex-direction: row;
+    gap: 12px;
+  }
+
+  &:last-of-type {
+    margin-bottom: 0;
+  }
+`
+
 const ShowInfoFormContent = styled.div`
   flex: 1;
 `;
@@ -108,7 +124,7 @@ const ShowInfoFormButtonContainer = styled.div`
   gap: 8px;
 `;
 
-const ShowInfoFormButton = styled(Button)<ShowInfoFormButtonProps>`
+const ShowInfoFormButton = styled(Button) <ShowInfoFormButtonProps>`
   width: ${({ width }) => width};
 `;
 
@@ -275,7 +291,7 @@ const TextArea = styled.textarea<TextAreaProps>`
   padding: 12px;
   border: 1px solid
     ${({ theme, hasError }) =>
-      hasError ? `${theme.palette.status.error} !important` : theme.palette.grey.g20};
+    hasError ? `${theme.palette.status.error} !important` : theme.palette.grey.g20};
   border-radius: 4px;
   background-color: ${({ theme }) => theme.palette.grey.w};
   color: ${({ theme }) => theme.palette.grey.g90};
@@ -527,7 +543,7 @@ const MobileTicketAction = styled.div<MobileTicketActionProps>`
         width: 24px;
         height: 24px;
         stroke: ${({ theme, disabled }) =>
-          disabled ? theme.palette.grey.g40 : theme.palette.grey.g90};
+    disabled ? theme.palette.grey.g40 : theme.palette.grey.g90};
       }
     }
   }
@@ -541,6 +557,7 @@ const MobileCastInfoRegisterButton = styled.button`
   display: inline-flex;
   justify-content: center;
   align-items: center;
+  gap: 4px;
   ${({ theme }) => theme.typo.sh1};
   color: ${({ theme }) => theme.palette.grey.g90};
   cursor: pointer;
@@ -564,6 +581,7 @@ export default {
   ShowInfoFormTitle,
   ShowInfoFormSubtitle,
   ShowInfoFormRow,
+  ShowInfoFormResponsiveRowColumn,
   ShowInfoFormContent,
   ShowInfoFormLabel,
   ShowInfoFormDescription,
diff --git a/apps/admin/src/components/ShowInfoFormContent/ShowTicketInfoFormContent.tsx b/apps/admin/src/components/ShowInfoFormContent/ShowTicketInfoFormContent.tsx
index 1e54673c..763b0303 100644
--- a/apps/admin/src/components/ShowInfoFormContent/ShowTicketInfoFormContent.tsx
+++ b/apps/admin/src/components/ShowInfoFormContent/ShowTicketInfoFormContent.tsx
@@ -23,6 +23,7 @@ const ShowTicketInfoFormContent = ({
 }: ShowTicketInfoFormContentProps) => {
   const { watch, control } = form;
 
+  // TODO: react-hook-form의 에러 기능을 사용하도록 수정
   const [hasBlurred, setHasBlurred] = useState<Record<keyof ShowTicketFormRequiredInputs, boolean>>(
     {
       startDate: false,
@@ -32,7 +33,9 @@ const ShowTicketInfoFormContent = ({
 
   return (
     <Styled.ShowInfoFormGroup>
-      <Styled.ShowInfoFormTitle>티켓 판매 정보</Styled.ShowInfoFormTitle>
+      <Styled.ShowInfoFormGroupInfo>
+        <Styled.ShowInfoFormTitle>티켓 판매 정보</Styled.ShowInfoFormTitle>
+      </Styled.ShowInfoFormGroupInfo>
       <Styled.ShowInfoFormRow>
         <Styled.ShowInfoFormContent>
           <Styled.ShowInfoFormRow>
@@ -90,7 +93,7 @@ const ShowTicketInfoFormContent = ({
                       placeholder={value}
                       min={format(
                         watch('startDate') ||
-                          (salesStartTime ? new Date(salesStartTime) : new Date()),
+                        (salesStartTime ? new Date(salesStartTime) : new Date()),
                         'yyyy-MM-dd',
                       )}
                       max={format(
diff --git a/apps/admin/src/components/TicketForm/InvitationTicketForm.tsx b/apps/admin/src/components/TicketForm/InvitationTicketForm.tsx
index a7bc7dee..f28e909d 100644
--- a/apps/admin/src/components/TicketForm/InvitationTicketForm.tsx
+++ b/apps/admin/src/components/TicketForm/InvitationTicketForm.tsx
@@ -21,6 +21,7 @@ const InvitationTicketForm = ({ onSubmit }: InvitationTicketFormProps) => {
     formState: { isDirty, isValid },
   } = useForm<InvitationTicketFormInputs>();
 
+  // TODO: react-hook-form의 에러 기능을 사용하도록 수정
   const [hasBlurred, setHasBlurred] = useState<Record<keyof InvitationTicketFormInputs, boolean>>({
     name: false,
     totalForSale: false,
diff --git a/apps/admin/src/components/TicketForm/SalesTicketForm.tsx b/apps/admin/src/components/TicketForm/SalesTicketForm.tsx
index d4b8f1fc..a0bea5a7 100644
--- a/apps/admin/src/components/TicketForm/SalesTicketForm.tsx
+++ b/apps/admin/src/components/TicketForm/SalesTicketForm.tsx
@@ -22,6 +22,7 @@ const SalesTicketForm = ({ onSubmit }: SalesTicketFormProps) => {
     formState: { isDirty, isValid },
   } = useForm<SalesTicketFormInputs>();
 
+  // TODO: react-hook-form의 에러 기능을 사용하도록 수정
   const [hasBlurred, setHasBlurred] = useState<Record<keyof SalesTicketFormInputs, boolean>>({
     name: false,
     price: false,
diff --git a/apps/admin/src/pages/ShowAddPage/index.tsx b/apps/admin/src/pages/ShowAddPage/index.tsx
index 3bf48dfc..aff858c3 100644
--- a/apps/admin/src/pages/ShowAddPage/index.tsx
+++ b/apps/admin/src/pages/ShowAddPage/index.tsx
@@ -138,7 +138,7 @@ const ShowAddPage = ({ step }: ShowAddPageProps) => {
                   <Styled.CardDescription>
                     등록하려는 공연의 정보를 입력해 주세요.
                     <br />
-                    공연 정보는 공연일 하루 전까지 수정할 수 있어요.
+                    입력한 정보는 등록 후에도 수정할 수 있어요.
                   </Styled.CardDescription>
                   <Styled.ShowAddForm onSubmit={showInfoForm.handleSubmit(onSubmitInfoForm)}>
                     <Styled.ShowInfoFormContent>
@@ -348,7 +348,7 @@ const ShowAddPage = ({ step }: ShowAddPageProps) => {
             <Styled.MobileDescription>
               등록하려는 공연의 정보를 입력해 주세요.
               <br />
-              공연 정보는 공연일 하루 전까지 수정할 수 있어요.
+              입력한 정보는 등록 후에도 수정할 수 있어요.
             </Styled.MobileDescription>
             <Styled.ShowAddForm onSubmit={showInfoForm.handleSubmit(onSubmitInfoForm)}>
               <Styled.ShowInfoFormContent>
@@ -374,6 +374,34 @@ const ShowAddPage = ({ step }: ShowAddPageProps) => {
               <Styled.ShowInfoFormContent>
                 <ShowDetailInfoFormContent form={showInfoForm} />
               </Styled.ShowInfoFormContent>
+              <Styled.ShowInfoFormContent>
+                <ShowCastInfoFormContent
+                  onSave={(showCastInfoFormInput: TempShowCastInfoFormInput) => {
+                    setShowCastInfo((prev) => [...prev, showCastInfoFormInput]);
+                    return new Promise((reslve) => reslve());
+                  }}
+                />
+                {showCastInfo.map((info, index) => (
+                  <ShowCastInfo
+                    key={index}
+                    showCastInfo={info}
+                    onSave={(showCastInfoFormInput: TempShowCastInfoFormInput) => {
+                      setShowCastInfo((prev) =>
+                        prev.map((prevCastInfo, currentIndex) =>
+                          index === currentIndex ? showCastInfoFormInput : prevCastInfo,
+                        ),
+                      );
+                      return new Promise((reslve) => reslve());
+                    }}
+                    onDelete={() => {
+                      setShowCastInfo((prev) =>
+                        prev.filter((_, currentIndex) => index !== currentIndex),
+                      );
+                      return new Promise((reslve) => reslve());
+                    }}
+                  />
+                ))}
+              </Styled.ShowInfoFormContent>
               <Button
                 size="bold"
                 colorTheme="primary"
diff --git a/apps/admin/src/pages/ShowInfoPage/index.tsx b/apps/admin/src/pages/ShowInfoPage/index.tsx
index e833fe65..4f3c5bb8 100644
--- a/apps/admin/src/pages/ShowInfoPage/index.tsx
+++ b/apps/admin/src/pages/ShowInfoPage/index.tsx
@@ -225,7 +225,6 @@ const ShowInfoPage = () => {
             <Styled.ShowInfoFormDivider />
             <Styled.ShowInfoFormContent>
               <ShowCastInfoFormContent
-                hasPreviousCastInfo={castTeamList.length > 0}
                 onSave={async ({ name, members }: TempShowCastInfoFormInput) => {
                   await postCastTeams.mutateAsync(
                     {