Who Is She is about 70-year-old grandmother Oh Mal-soon, who suddenly transforms into the 20 year old version of herself and lives under the name of Oh Doo-ri.
A performance director and marketing team leader at Eunice Entertainment. A smart and witty 'all-rounder' who is the only trusted partner of producer Daniel Han and is good at everything.
Lee Ji-hyeon as Mina
The only street-cast member of Element who comes from a wealthy family.
The oldest and only foreign member of the group. She is fluent in Korean after three years of training. Considering Emily to be her closest friend as she was the only person with whom she could speak English, she harbours mixed feelings about Doo-ri, who appears after Emily disappears.
Developed under the working title Miss Granny, the series is directed by Park Yong-soon, who directed the dramas Secret Mother (2018), Wanted (2016) and Divorce Lawyer in Love (2015), and written by Heo Seung-min, who wrote Risky Romance (2018) and There Is a Blue Bird (2014). It is produced by Studio V Plus, Idea Factory, Higround, and Yein Plus. It is the tenth remake of the 2014 film Miss Granny by Hwang Dong-hyuk.
Casting
On March 3, 2023, Jung Ji-so had been cast as the female lead in the series. On September 15, BB Entertainment told Newsen that they were positively reviewing regarding Jung Jin-young's appearance. According to Seoul Economic Daily Star on September 20, Kim Hae-sook had been confirmed to appear.
On July 9, 2024, the production team of the series announced that Jung, who starred in the original film as young rocker Ban Ji-ha, confirmed his appearance but would play in another role.
In the table above, the blue numbers represent the lowest ratings and the red numbers represent the highest ratings.
N/A denotes ratings that were not published.
Notes
↑Due to multiple unpublished ratings, the exact average rating is unknown.
References
12345678Kim, Hyeon-rok (November 5, 2024). '수상한 그녀' 김해숙X정지소X진영X채원빈 뭉쳤다...10년 만의 귀환[공식]['Suspicious Girl' Kim Hae-sook X Jung Ji-so X Jin-young X Chae Won-bin unite... Return after 10 years [Official]] (in Korean). SPOTV News. Retrieved November 5, 2024– via Naver.
↑수상한 그녀 음악[Who Is She Original Sound Track]. bugs (in Korean). Kakao Entertainment. Music Buddy. January 28, 2025. Retrieved January 28, 2025.
1234Lee, Min-ji (November 8, 2024). 드라마 재탄생 '수상한 그녀' 인교진X서영희X정보석X차화연 출연 [공식][Drama Rebirth 'Suspicious Girl' In Kyo-jin X Seo Young-hee X Jeong Bo-seok X Cha Hwa-yeon Appear [Official]] (in Korean). Newsen. Retrieved November 9, 2024– via Naver.
↑Park, So-jin (November 12, 2024). 현재연, '수상한 그녀' 출연...연습생 대표 비주얼 '수진' 役[Hyun Jae-yeon, 'Suspicious Girl' appearance... Role of 'Soo-jin', representative visual of trainees] (in Korean). Maeil Kyungje. Retrieved November 16, 2024– via Naver.
123Ha, Soo-jung (December 13, 2024). 정지소x채원빈, 아이돌 데뷔조 연습생 됐다(수상한 그녀)[Jung Ji-so x Chae Won-bin, became trainees for the idol debut group (Suspicious Girl)] (in Korean). OSEN– via Naver.
↑Lee, Jun-soo (January 9, 2025). '수상한 그녀' 진영X유정후, 정지소 사이에 두고 일촉즉발['Suspicious Girl' Jinyoung X Yoo Jung-hoo, On the Verge of a Critical Strike Between Jung Ji-so] (in Korean). Ilgan Sports. Retrieved January 9, 2025– via Naver.
↑Park, Soo-in (September 15, 2023). 진영, 드라마화 '수상한 그녀'에도 출연하나 "긍정검토중"[공식입장][Jinyoung to Appear in Drama 'Suspicious Girl', "Positively Reviewing" [Official Statement]] (in Korean). Newsen. Retrieved November 5, 2024– via Naver.
12Oh, Seung-hyun (July 9, 2024). 진영, 영화 이어 드라마 '수상한 그녀'도 출연...정지소 만난 천재 프로듀서 [공식입장][Jinyoung, Following Movie, Also Appearing in Drama 'Suspicious Girl'...Meets Genius Producer Jeong Ji-so [Official Statement]] (in Korean). Xports News. Retrieved November 5, 2024– via Naver.
↑Park, Jung-sun (September 15, 2024). [단독] 진영, '수상한 그녀' 주인공…영화 이어 드라마도[[Exclusive] Jinyoung, the main character of 'Suspicious Girl'...Following the movie, now a drama] (in Korean). JTBC. Retrieved November 5, 2024– via Naver.