Who Is She

*Who Is She*
Who Is She
	Promotional poster
Hangul	수상한 그녀
Lit.	A Suspicious Girl
RR	Susanghan geunyeo
MR	Susanghan kŭnyŏ
Genre	Romantic fantasy; Musical; Coming-of-age;
Written by	Heo Seung-min
Directed by	Park Yong-soon
Starring	Kim Hae-sook; Jung Ji-so; Jung Jin-young; Chae Won-bin;
Music by	Park Se-joon
Country of origin	South Korea
Original language	Korean
No. of episodes	12
Production
Production companies	Studio V Plus; Idea Factory; Higround; Yein Plus;
Original release
Network	KBS2
Release	December 18, 2024 –; January 23, 2025
Related
	Miss Granny (South Korean film); 20 Once Again (Chinese film); Sweet 20 (Vietnamese film); Sing My Life (Japanese film); Suddenly Twenty (Thai film); Sweet 20 (Indonesian film); 20 Once Again (Chinese TV series); Miss Granny (Philippine film); Oh! Baby (Indian film); Cuando sea joven (Mexican film);

Who Is She (Korean: 수상한 그녀) is a 2024–2025 South Korean television series starring Kim Hae-sook, Jung Ji-so, Jung Jin-young, and Chae Won-bin. The series is a remake of the 2014 film Miss Granny by Hwang Dong-hyuk, it depicts the story of Oh Mal-soon, a 70-year-old grandmother who suddenly turns into 20-year-old Oh Doo-ri. It aired on KBS2 from December 18, 2024, to January 23, 2025, every Wednesday and Thursday at 21:50 (KST).

Synopsis

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.

Cast

Main

Kim Hae-sook as Oh Mal-soon^[1]
Jung Ji-so as Oh Doo-ri/Emily^[1]
Jung Jin-young as Daniel Han (Han Joon-hyuk)^[1]
Chae Won-bin as Choi Ha-na^[1]

Supporting

In Gyo-jin as Choi Min-seok^[3]
Seo Young-hee as Ban Ji-sook^[3]
Jeong Bo-seok as Park Gap-yong^[3]
Cha Hwa-yeon as Kim Ae-sim^[3]
Hyun Jae-yeon as Sujin^[4]
Kim So-won as Seo Chan-mi^[5]
Oh Ji-yeon as Kwon Jun-hee^[5]
Lee Dal as Jeong Ho-yi^[5]
Jung Ji-yoon as Kang Yeong-eun^[6]
Lee Hwa-kyum as Lina^[5]

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^[7]

The only street-cast member of Element who comes from a wealthy family.

Yue as Olra^[7]

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.

Seowon as Jei^[7]

The youngest member of the group who was cast through a teen hip-hop competition.

Yoo Jung-hoo as Park Jun^[8]

Younger version of Gap-yong.

Production

Development

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).^[9] It is produced by Studio V Plus, Idea Factory, Higround, and Yein Plus.^[1] It is the tenth remake of the 2014 film Miss Granny by Hwang Dong-hyuk.^[10]

Casting

On March 3, 2023, Jung Ji-so had been cast as the female lead in the series.^[9] On September 15, BB Entertainment told Newsen that they were positively reviewing regarding Jung Jin-young's appearance.^[11] According to Seoul Economic Daily Star on September 20, Kim Hae-sook had been confirmed to appear.^[12]

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.^[13]

Filming

Principal photography began in August 2023,^[14] and concluded in first half of 2024.^[13]

Release

Who Is She is scheduled to premiere on KBS2 on December 18, 2024, and will air every Wednesday and Thursday at 21:50 (KST).^[15]

Viewership

Who Is She : South Korea viewers per episode (thousands)

Season		Episode number
Season		1	2	3	4	5	6	7	8	9	10	11	12
	1	624	565	638	575	N/A	690	N/A	N/A	525	588	554	582

Source: Audience measurement performed nationwide by Nielsen Korea.^[16]

Average TV viewership ratings
Ep.	Original broadcast date	Average audience share (Nielsen Korea)^[16]
Ep.	Original broadcast date	Nationwide	Seoul
1	December 18, 2024	3.9% (14th)	3.6% (15th)
2	December 18, 2024	3.4% (17th)	3.2% (19th)
3	December 25, 2024	4.0% (15th)	3.5% (18th)
4	December 26, 2024	3.5% (15th)	3.0% (17th)
5	January 1, 2025	3.6% (19th)	N/A
6	January 2, 2025	4.0% (15th)	3.5% (17th)
7	January 8, 2025	3.1% (19th)	N/A
8	January 9, 2025	3.2% (20th)	N/A
9	January 15, 2025	3.0% (16th)	3.2% (14th)
10	January 16, 2025	3.2% (20th)	3.0% (20th)
11	January 22, 2025	3.2% (19th)	N/A
12	January 23, 2025	3.4% (16th)	3.5% (16th)
Average		3.5%	—^[a]
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

^ ^a ^b ^c ^d ^e ^f ^g ^h Kim, 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.
^ ^a ^b ^c ^d Lee, 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.
^ ^a ^b ^c ^d Park, Jae-hwan (December 15, 2024). '수상한 그녀' 진영의 패밀리 군단..유니스 엔터테인먼트 ['Suspicious Girl' Jinyoung's family corps.. Eunice Entertainment]. KBS (in Korean) – via Naver.
^ '수상한 그녀' 정지소X김해숙X진영 "다시 한 번 전성기" 영화→드라마 리메이크…몇부작? [톱:프리뷰]. Top Star News. December 18, 2024.
^ ^a ^b ^c Ha, 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.
^ ^a ^b Jeong, Hee-yeon (March 3, 2023). '수상한 그녀' 김해숙X정지소X진영X채원빈 뭉쳤다...10년 만의 귀환[공식] ['Suspicious Girl' drama production... Casting of Jung Ji-so as the main character [Official]] (in Korean). Sports Dong-a. Retrieved November 5, 2024 – via Naver.
^ Conran, Pierce (July 20, 2024). "Sweet Home 3's Jung Jin-young set for Miss Granny remake and more, in K-drama casting news". South China Morning Post. Archived from the original on July 21, 2024. Retrieved November 5, 2024.
^ 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.
^ Hyun, Hye-seon (September 20, 2023). [단독] 김해숙, 드라마화 '수상한 그녀' 출연 확정...정지소·진영과 만난다 [[Exclusive] Kim Hae-sook confirmed to appear in drama 'Suspicious Girl'... Meets Jung Ji-so and Jin-young] (in Korean). The Seoul Economy Daily. Archived from the original on September 4, 2024. Retrieved November 5, 2024 – via Naver.
^ ^a ^b Oh, 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.
^ Son, Bong-seok (November 19, 2024). '수상한 그녀' 김해숙과 정지소의 우당탕탕 걸그룹 도전기가 펼쳐진다! ['Suspicious Girl' Kim Hae-sook and Jeong Ji-so's girl group challenge unfolds!] (in Korean). Sports Kyunghyang. Retrieved November 21, 2024 – via Naver.
^ ^a ^b
Nielsen Korea ratings (Nationwide):
- "Ep. 1–2". Nielsen Korea (in Korean). December 18, 2024. Retrieved December 19, 2024.
- "Ep. 3". Nielsen Korea (in Korean). December 25, 2024. Retrieved December 26, 2024.
- "Ep. 4". Nielsen Korea (in Korean). December 26, 2024. Retrieved December 27, 2024.
- "Ep. 5". Nielsen Korea (in Korean). January 1, 2025. Retrieved January 2, 2025.
- "Ep. 6". Nielsen Korea (in Korean). January 2, 2025. Retrieved January 3, 2025.
- "Ep. 7". Nielsen Korea (in Korean). January 8, 2025. Retrieved January 9, 2025.
- "Ep. 8". Nielsen Korea (in Korean). January 9, 2025. Retrieved January 10, 2025.
- "Ep. 9". Nielsen Korea (in Korean). January 15, 2025. Retrieved January 16, 2025.
- "Ep. 10". Nielsen Korea (in Korean). January 16, 2025. Retrieved January 17, 2025.
- "Ep. 11". Nielsen Korea (in Korean). January 22, 2025. Retrieved January 23, 2025.
- "Ep. 12". Nielsen Korea (in Korean). January 23, 2025. Retrieved January 24, 2025.

External links

[incomplete-17] Due to multiple unpublished ratings, the exact average rating is unknown.

[SPOTV-1] ^ ^a ^b ^c ^d ^e ^f ^g ^h Kim, 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.

[2] 수상한 그녀 음악 [Who Is She Original Sound Track]. bugs (in Korean). Kakao Entertainment. Music Buddy. January 28, 2025. Retrieved January 28, 2025.

[Newsen-3] Lee, 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.

[4] 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.

[vision21-5] Park, Jae-hwan (December 15, 2024). '수상한 그녀' 진영의 패밀리 군단..유니스 엔터테인먼트 ['Suspicious Girl' Jinyoung's family corps.. Eunice Entertainment]. KBS (in Korean) – via Naver.

[6] '수상한 그녀' 정지소X김해숙X진영 "다시 한 번 전성기" 영화→드라마 리메이크…몇부작? [톱:프리뷰]. Top Star News. December 18, 2024.

[element-7] Ha, 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.

[8] 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.

[SportsDonga-9] Jeong, Hee-yeon (March 3, 2023). '수상한 그녀' 김해숙X정지소X진영X채원빈 뭉쳤다...10년 만의 귀환[공식] ['Suspicious Girl' drama production... Casting of Jung Ji-so as the main character [Official]] (in Korean). Sports Dong-a. Retrieved November 5, 2024 – via Naver.

[10] Conran, Pierce (July 20, 2024). "Sweet Home 3's Jung Jin-young set for Miss Granny remake and more, in K-drama casting news". South China Morning Post. Archived from the original on July 21, 2024. Retrieved November 5, 2024.

[11] 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.

[12] Hyun, Hye-seon (September 20, 2023). [단독] 김해숙, 드라마화 '수상한 그녀' 출연 확정...정지소·진영과 만난다 [[Exclusive] Kim Hae-sook confirmed to appear in drama 'Suspicious Girl'... Meets Jung Ji-so and Jin-young] (in Korean). The Seoul Economy Daily. Archived from the original on September 4, 2024. Retrieved November 5, 2024 – via Naver.

[xn-13] Oh, 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.

[14] 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.

[15] Son, Bong-seok (November 19, 2024). '수상한 그녀' 김해숙과 정지소의 우당탕탕 걸그룹 도전기가 펼쳐진다! ['Suspicious Girl' Kim Hae-sook and Jeong Ji-so's girl group challenge unfolds!] (in Korean). Sports Kyunghyang. Retrieved November 21, 2024 – via Naver.

[nielsen-16] Nielsen Korea ratings (Nationwide):
"Ep. 1–2". Nielsen Korea (in Korean). December 18, 2024. Retrieved December 19, 2024.

"Ep. 3". Nielsen Korea (in Korean). December 25, 2024. Retrieved December 26, 2024.

"Ep. 4". Nielsen Korea (in Korean). December 26, 2024. Retrieved December 27, 2024.

"Ep. 5". Nielsen Korea (in Korean). January 1, 2025. Retrieved January 2, 2025.

"Ep. 6". Nielsen Korea (in Korean). January 2, 2025. Retrieved January 3, 2025.

"Ep. 7". Nielsen Korea (in Korean). January 8, 2025. Retrieved January 9, 2025.

"Ep. 8". Nielsen Korea (in Korean). January 9, 2025. Retrieved January 10, 2025.

"Ep. 9". Nielsen Korea (in Korean). January 15, 2025. Retrieved January 16, 2025.

"Ep. 10". Nielsen Korea (in Korean). January 16, 2025. Retrieved January 17, 2025.

"Ep. 11". Nielsen Korea (in Korean). January 22, 2025. Retrieved January 23, 2025.

"Ep. 12". Nielsen Korea (in Korean). January 23, 2025. Retrieved January 24, 2025.

[18] "Ep. 1–2". Nielsen Korea (in Korean). December 18, 2024. Retrieved December 19, 2024.

[19] "Ep. 3". Nielsen Korea (in Korean). December 25, 2024. Retrieved December 26, 2024.

[20] "Ep. 4". Nielsen Korea (in Korean). December 26, 2024. Retrieved December 27, 2024.

[21] "Ep. 5". Nielsen Korea (in Korean). January 1, 2025. Retrieved January 2, 2025.

[22] "Ep. 6". Nielsen Korea (in Korean). January 2, 2025. Retrieved January 3, 2025.

[23] "Ep. 7". Nielsen Korea (in Korean). January 8, 2025. Retrieved January 9, 2025.

[24] "Ep. 8". Nielsen Korea (in Korean). January 9, 2025. Retrieved January 10, 2025.

[25] "Ep. 9". Nielsen Korea (in Korean). January 15, 2025. Retrieved January 16, 2025.

[26] "Ep. 10". Nielsen Korea (in Korean). January 16, 2025. Retrieved January 17, 2025.

[27] "Ep. 11". Nielsen Korea (in Korean). January 22, 2025. Retrieved January 23, 2025.

[28] "Ep. 12". Nielsen Korea (in Korean). January 23, 2025. Retrieved January 24, 2025.

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]

[10]

[11]

[12]

[13]

[14]

[15]

[16]

[a]

v t e Miss Granny
Films	Miss Granny (2014, South Korea) 20 Once Again (2015, China) Sweet 20 (2015, Vietnam) Sing My Life (2016, Japan) Suddenly Twenty (2016, Thailand) Sweet 20 (2017, Indonesia) Miss Granny (2018, Philippines) Oh! Baby (2019, India) Cuando sea joven (2022, Mexico)
TV series	20 Once Again (2018, China) Who Is She (2024, South Korea)