diff --git a/photo-service/src/main/java/kr/mafoo/photo/controller/dto/response/AlbumDetailResponse.java b/photo-service/src/main/java/kr/mafoo/photo/controller/dto/response/AlbumDetailResponse.java
index 73f9131..133131d 100644
--- a/photo-service/src/main/java/kr/mafoo/photo/controller/dto/response/AlbumDetailResponse.java
+++ b/photo-service/src/main/java/kr/mafoo/photo/controller/dto/response/AlbumDetailResponse.java
@@ -22,6 +22,9 @@ public record AlbumDetailResponse(
         @Schema(description = "앨범 내 사진 수", example = "6")
         String photoCount,
 
+        @Schema(description = "공유 사용자 ID", example = "test_shared_member_id")
+        String sharedMemberId,
+
         @Schema(description = "공유 받은 앨범 상태", example = "null")
         ShareStatus shareStatus,
 
@@ -52,6 +55,7 @@ public static AlbumDetailResponse fromDto(
                     dto.name(),
                     dto.type(),
                     dto.photoCount().toString(),
+                    dto.sharedMemberId(),
                     dto.shareStatus(),
                     dto.permissionLevel(),
                     dto.ownerMemberId(),
diff --git a/photo-service/src/main/java/kr/mafoo/photo/service/dto/AlbumDto.java b/photo-service/src/main/java/kr/mafoo/photo/service/dto/AlbumDto.java
index acc4d64..848a6bf 100644
--- a/photo-service/src/main/java/kr/mafoo/photo/service/dto/AlbumDto.java
+++ b/photo-service/src/main/java/kr/mafoo/photo/service/dto/AlbumDto.java
@@ -12,6 +12,7 @@ public record AlbumDto(
     String name,
     AlbumType type,
     Integer photoCount,
+    String sharedMemberId,
     ShareStatus shareStatus,
     PermissionLevel permissionLevel,
     String ownerMemberId,
@@ -34,6 +35,7 @@ public static AlbumDto fromOwnedAlbum(
             null,
             null,
             null,
+            null,
             albumEntity.getCreatedAt()
         );
     }
@@ -48,6 +50,7 @@ public static AlbumDto fromSharedAlbum(
             albumEntity.getName(),
             albumEntity.getType(),
             albumEntity.getPhotoCount(),
+            sharedMemberEntity.getSharedMemberId(),
             sharedMemberEntity.getShareStatus(),
             sharedMemberEntity.getPermissionLevel(),
             memberDto.memberId(),