# Kim Jae-kyung
**Kim Jae-kyung** (김재경, born 1988) is a South Korean actress and former singer who debuted in 2009 as the leader of the seven-member girl group [Rainbow](https://www.edgepedia.org/rainbow-group) and has worked as an actress since 2012, winning supporting-actress drama awards in 2018 and 2022.[1](https://cine21.com/db/person/info/?person_id=72599) • [2](https://v.daum.net/v/up3eTzyjYj?f=p)
| Key fact | Detail |
|---|---|
| Born | 1988, Seoul, South Korea[3](https://www.rottentomatoes.com/celebrity/kim_jae_kyung) |
| Music career | Leader of the girl group Rainbow, debuted November 2009 with the EP *Gossip Girl*; group disbanded 2016[1](https://cine21.com/db/person/info/?person_id=72599) • [4](https://www.mk.co.kr/en/musics/11195398) |
| Acting awards | Best Supporting Actress, 2018 MBC Drama Awards (*Bad Papa*); Best Supporting Actress, 2022 SBS Drama Awards (*Again My Life*)[5](https://asianwiki.com/Kim_Jae-Kyung) |
| Marriage | Married a non-celebrity in a private ceremony in summer 2024; the news was announced in December 2024 by her agency, Namu Actors[4](https://www.mk.co.kr/en/musics/11195398) |
| 2026 work | TBS Friday drama *Dream Stage* (Park Ji-soo) and Wavve original drama *Reverse* (Choi Hee-su)[6](https://v.daum.net/v/XwQtXU8Btx) • [5](https://asianwiki.com/Kim_Jae-Kyung) |
| Height | 168 cm[5](https://asianwiki.com/Kim_Jae-Kyung) |
## Rainbow years
Kim Jae-kyung debuted in November 2009 with the girl group Rainbow, a seven-member act whose first release was the EP *Gossip Girl*; she served as the group's leader.[1](https://cine21.com/db/person/info/?person_id=72599) • [2](https://v.daum.net/v/up3eTzyjYj?f=p) Rainbow disbanded in 2016, and she moved to her current agency, Namu Actors, continuing as an actress.[4](https://www.mk.co.kr/en/musics/11195398)
The bond with her former groupmates outlasted the group. On a September 2018 episode of MBC's *Radio Star*, she said the seven members still met daily and, after ten years together, were best friends; she later described the members exchanging audition information and attending one another's screenings.[7](https://www.soompi.com/article/1236765wpp/kim-jae-kyung-reveals-members-rainbow-manage-keep-unshakable-bond) • [8](https://www.soompi.com/article/1456288wpp/kim-jae-kyung-talks-about-feeling-comfortable-working-with-kim-dong-jun-her-love-for-rainbow)
## Acting career
She began acting in 2012, while Rainbow was still active, and built a television career across more than twenty drama credits.[2](https://v.daum.net/v/up3eTzyjYj?f=p) • [1](https://cine21.com/db/person/info/?person_id=72599) Her roles include Cha Yoon-seo in *[Noble, My Love](https://www.edgepedia.org/noble-my-love)* (2015), Jyu-ni in *Madame Antoine* (2016), Han Mal-sook in *Life on Mars* (OCN, 2018), Cha Ji-woo in *Bad Papa* (MBC, 2018), Veronica Park in *[The Secret Life of My Secretary](https://www.edgepedia.org/the-secret-life-of-my-secretary)* (SBS, 2019), Oh Jin-joo in *The Devil Judge* (tvN, 2021), and Kim Han-mi in *[Again My Life](https://www.edgepedia.org/again-my-life)* (SBS, 2022).[5](https://asianwiki.com/Kim_Jae-Kyung)
Her television work brought two supporting-actress awards: Best Supporting Actress at the 2018 MBC Drama Awards for *Bad Papa* and the same prize at the 2022 [SBS Drama Awards](https://www.edgepedia.org/sbs-drama-awards) for *Again My Life*.[5](https://asianwiki.com/Kim_Jae-Kyung)
**Film.** Her screen roles include *A Way Station* (2020), in which she played Han Ji-ah opposite [Kim Dong-jun](https://www.edgepedia.org/kim-dong-jun) in a romance melodrama about a woman with a terminal illness and a man losing his memories to Alzheimer's disease; she prepared for the part by reading books about terminal illness.[8](https://www.soompi.com/article/1456288wpp/kim-jae-kyung-talks-about-feeling-comfortable-working-with-kim-dong-jun-her-love-for-rainbow) • [3](https://www.rottentomatoes.com/celebrity/kim_jae_kyung) She also played Ji-soo in *Flowers of Mold* (2023) and Ji-soo in *너를 줍다* (2022).[9](https://www.imdb.com/name/nm5509381/) • [1](https://cine21.com/db/person/info/?person_id=72599)
## Marriage and recent work
In December 2024 her agency, Namu Actors, announced that Kim Jae-kyung had married a non-celebrity partner the previous summer in a closed ceremony attended only by immediate family, held privately out of respect for her spouse; she later shared wedding photos in traditional Korean ceremony attire.[4](https://www.mk.co.kr/en/musics/11195398) • [6](https://v.daum.net/v/XwQtXU8Btx)
Since the marriage her work has expanded to Japan. She filmed the TBS Friday drama *DREAM STAGE*, airing from January 2026, in which she plays PD Park Ji-soo, a producer who selects TORINNER, the rival group of the boy band NAZE formed by trainees from C9 Entertainment; the series follows a former music producer and seven dropout trainees pursuing their debut.[6](https://v.daum.net/v/XwQtXU8Btx) • [10](https://en.mantan-web.jp/e_article/20260225dog00m200039000a.html) She was also cast in the Wavve original drama *Reverse* as Choi Hee-su, released in 2026.[6](https://v.daum.net/v/XwQtXU8Btx) • [5](https://asianwiki.com/Kim_Jae-Kyung)
## Family
Her younger brother is the actor Kim Jae-hyun; in 2026 the siblings debuted rival dramas on the same day, with Kim Jae-hyun playing the foreign-language teacher Noda-ju in a school-centered series.[5](https://asianwiki.com/Kim_Jae-Kyung) • [11](https://biz.chosun.com/en/en-entertainment/2026/04/17/TFVQ5SES5BCOLNZG3P5BQFPKDQ/?outputType=amp)
## References
1. [김재경 프로필, 씨네21](https://cine21.com/db/person/info/?person_id=72599)
2. [며느리가 너무 힙해…'극비리 결혼' 김재경, 머리 볶아버린 근황, 텐아시아 via Daum](https://v.daum.net/v/up3eTzyjYj?f=p)
3. [Kim Jae-kyung, Rotten Tomatoes](https://www.rottentomatoes.com/celebrity/kim_jae_kyung)
4. [Actor Kim Jae-kyung, a former member of the group Rainbow, revealed her touch, Maeil Business (MK)](https://www.mk.co.kr/en/musics/11195398)
5. [Kim Jae-Kyung, AsianWiki](https://asianwiki.com/Kim_Jae-Kyung)
6. [극비 결혼 후 日 배우 활동 중인 걸그룹…깜짝 근황 '화제', 엑스포츠뉴스 via Daum](https://v.daum.net/v/XwQtXU8Btx)
7. [Kim Jae Kyung Reveals How The Members Of Rainbow Manage To Keep An Unshakable Bond, Soompi](https://www.soompi.com/article/1236765wpp/kim-jae-kyung-reveals-members-rainbow-manage-keep-unshakable-bond)
8. [Kim Jae Kyung Talks About Feeling Comfortable Working With Kim Dong Jun + Her Love For Rainbow, Soompi](https://www.soompi.com/article/1456288wpp/kim-jae-kyung-talks-about-feeling-comfortable-working-with-kim-dong-jun-her-love-for-rainbow)
9. [Kim Jae-kyung, IMDb](https://www.imdb.com/name/nm5509381/)
10. [Kim Jae Kyung co-starred in "DREAM STAGE" with Nakamura Tomoya, MANTANWEB](https://en.mantan-web.jp/e_article/20260225dog00m200039000a.html)
11. [Kim Jae-hyun and sister Kim Jae-kyung debut rival dramas on same day, CHOSUNBIZ](https://biz.chosun.com/en/en-entertainment/2026/04/17/TFVQ5SES5BCOLNZG3P5BQFPKDQ/?outputType=amp)
---
*Topic: Encyclopedia › Arts and culture › Music › Music scenes › East and Southeast Asian pop scenes › K-pop and the Korean popular music scene › Artists, groups, and people: K-pop and the Korean popular music scene › First- and second-generation idol groups and 1990s dance acts › Surnames K to S*
*Initially written Sep 17, 2026 · Reviewed: Sep 17, 2026; Sep 19, 2026; Oct 25, 2026 · Edited: Oct 12, 2026; Oct 25, 2026 · Last review: Oct 25, 2026*
*Copyright 2026 EdgeChat AI, a subsidiary of Biostate AI.*
License: Edgepedia Community License 1.0, https://www.edgepedia.org/edgepedia/license