# Who Is She

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
* Jung Ji-so as Oh Doo-ri/Emily
* Jung Jin-young as Daniel Han (Han Joon-hyuk)
* Chae Won-bin as Choi Ha-na

### Supporting

* In Gyo-jin as Choi Min-seok
* Seo Young-hee as Ban Ji-sook
* Jeong Bo-seok as Park Gap-yong
* Cha Hwa-yeon as Kim Ae-sim
* Hyun Jae-yeon as Sujin
* Kim So-won as Seo Chan-mi
* Oh Ji-yeon as Kwon Jun-hee
* Lee Dal as Jeong Ho-yi
* Jung Ji-yoon as Kang Yeong-eun
* Lee Hwa-kyum as Lina
    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.
* Yue as Olra
    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
    The youngest member of the group who was cast through a teen hip-hop competition.
* Yoo Jung-hoo as Park Jun
    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). It is produced by Studio V Plus, Idea Factory, Higround [ko], 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.

### Filming

Principal photography began in August 2023, and concluded in first half of 2024.

## 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).

## Viewership

| Season | Season | Episode number | Episode number | Episode number | Episode number | Episode number | Episode number | Episode number | Episode number | Episode number | Episode number | Episode number | Episode number |
| Season | 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 |
Average TV viewership ratings :
| Ep. | Original broadcast date | Average audience share (Nielsen Korea) | Average audience share (Nielsen Korea) |
| 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 | Average | 3.5% | — |
| 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. ||||