Dear X (2025) featured a cast of 63 tracked actors. Of these, 52 (100%) are still alive today. The oldest surviving cast member is Park Seoung-tae, age 78. This TV series starred Kim You-jung and Kim Young-dae.
100% still with us· verified cast83% of full cast · incl. 11 unverified
Survivorship
Cast Reunion Index: 100% still living
Cast63 members
| Person | Character | Status | DOB | Age | DOD | Age in 2025 |
|---|---|---|---|---|---|---|
 Kim You-jung Baek Ah-jin | Baek Ah-jin | Living | 22/09/1999 | 27 | — | 26 |
 Kim Young-dae Yoon Joon-seo | Yoon Joon-seo | Living | 02/03/1996 | 30 | — | 29 |
 Kim Do-hoon Kim Jae-oh | Kim Jae-oh | Living | 15/09/1998 | 28 | — | 27 |
 Lee Yul-eum Lim Le-na | Lim Le-na | Living | 16/02/1996 | 30 | — | 29 |
Jo Hyeon-jin Sim Sung-hee's Mom | Sim Sung-hee's Mom | Living | 03/01/1976 | 50 | — | 49 |
 Bae Soo-bin Baek Seon-gyu | Baek Seon-gyu | Living | 09/12/1976 | 49 | — | 49 |
 Lee Seo-an Lim Sun-ye | Lim Sun-ye | Living | 03/03/1989 | 37 | — | 36 |
 Gi So-you Child Baek Ah-jin | Child Baek Ah-jin | Living | 16/02/2017 | 9 | — | 8 |
 Kang Ian Art Teacher | Art Teacher | Living | 01/01/1992 | 34 | — | 33 |
 Kim Yi-kyeong Sim Sung-hee | Sim Sung-hee | Living | 22/09/1997 | 29 | — | 28 |
 Yoon Joo Class Teacher | Class Teacher | Living | 04/12/1989 | 36 | — | 36 |
Kwon Su-yeon Yu-bin | Yu-bin | Living | 01/01/1999 | 27 | — | 26 |
Shin Eun-hye Ga-yeong | Ga-yeong | Unverified | — | — | — | — |
Woo Doo-yeon Ethics Teacher | Ethics Teacher | Living | 17/04/1987 | 39 | — | 38 |
 Kim Ji-hoon Choi Jeong-ho | Choi Jeong-ho | Living | 09/05/1981 | 45 | — | 44 |
 Hwang In-youp Heo In-gang | Heo In-gang | Living | 19/01/1991 | 35 | — | 34 |
 Baek Sun-ho Xanadu Coffee customer | Xanadu Coffee customer | Living | 18/07/2003 | 23 | — | 22 |
 Park Seoung-tae Heong Gyeong-tae | Heong Gyeong-tae | Living | 15/11/1947 | 78 | — | 78 |
 Jung Woo Seol Yeong-uk | Seol Yeong-uk | Living | 14/01/1981 | 45 | — | 44 |
 Hyun Seo-ha Seok Hyang-i | Seok Hyang-i | Living | 25/10/1994 | 32 | — | 31 |
 Kim Ji-young Seo Mi-ri | Seo Mi-ri | Living | 07/09/1974 | 52 | — | 51 |
 Shin Mun-sung Park Dae-ho | Park Dae-ho | Living | 02/12/1973 | 52 | — | 52 |
 Hong Bi-ra Moon Do-hui | Moon Do-hui | Living | 14/09/1996 | 30 | — | 29 |
 Jeon Kuk-hwan Jun-seo's Grandfather | Jun-seo's Grandfather | Living | 21/07/1952 | 74 | — | 73 |
 Choi Sol-hee Jae-oh's Aunt | Jae-oh's Aunt | Living | 01/01/1979 | 47 | — | 46 |
 Ryu Kyeong-hwan Im Hui-guk | Im Hui-guk | Living | 28/05/1981 | 45 | — | 44 |
 Yoon Hyun-soo Ryu Ji-hyeok | Ryu Ji-hyeok | Living | 17/03/1999 | 27 | — | 26 |
 Hong Jong-hyun Moon Do-hyeok | Moon Do-hyeok | Living | 02/02/1990 | 36 | — | 35 |
 Lee Woong-jae Heo In-mo | Heo In-mo | Living | 03/07/2003 | 23 | — | 22 |
Kim Se-yoon Detective | Detective | Living | 21/02/1987 | 39 | — | 38 |
 Lee Seung-jin Detective | Detective | Living | 04/06/1991 | 35 | — | 34 |
 Kim Sang-il Im Seung-yong | Im Seung-yong | Unverified | — | — | — | — |
 Son Kang-gook An Do-gang | An Do-gang | Living | 29/06/1973 | 53 | — | 52 |
 Kim Il-woo Hong Su-hyeok | Hong Su-hyeok | Living | 19/06/1963 | 63 | — | 62 |
 Kim Yu-mi Hwang Ji-seon | Hwang Ji-seon | Living | 12/10/1979 | 47 | — | 46 |
 Choi Jae-yoon Child Kim Jae-ung | Child Kim Jae-ung | Living | 06/08/2014 | 12 | — | 11 |
 Gu Bon-jin Jae-oh's Father | Jae-oh's Father | Living | 01/02/1979 | 47 | — | 46 |
 Park Hoo Child Yoon Jun-seo | Child Yoon Jun-seo | Living | 01/01/2015 | 11 | — | 10 |
 Kim Min-song Tattoo Man | Tattoo Man | Living | 28/07/1990 | 36 | — | 35 |
 Kim Nam-hee Documentary Host | Documentary Host | Living | 25/05/1986 | 40 | — | 39 |
 Cho Mi-yeon Host | Host | Living | 31/01/1997 | 29 | — | 28 |
 Go Seo-hee Madam Gong | Madam Gong | Living | 28/02/1977 | 49 | — | 48 |
 Kim Kyu-do CEO of Dio Entertainment | CEO of Dio Entertainment | Unverified | — | — | — | — |
 Park Bu-keon Director Park | Director Park | Unverified | — | — | — | — |
 Oh Jae-se Detective | Detective | Living | 28/02/1987 | 39 | — | 38 |
 Ma Jeong-pil Sim Sung-hee's Dad | Sim Sung-hee's Dad | Living | 18/07/1976 | 50 | — | 49 |
Jeong Jong-hoon Principal | Principal | Living | 03/05/1970 | 56 | — | 55 |
 Jeong Eun-ran Housekeeper | Housekeeper | Unverified | — | — | — | — |
 Choi Ji-yeon Reporter | Reporter | Living | 24/05/1991 | 35 | — | 34 |
 Park Seong-gyoon News Editor | News Editor | Living | 15/09/1972 | 54 | — | 53 |
Son Gun-woo Director | Director | Living | 15/09/1980 | 46 | — | 45 |
 Im Yu-ran Convenience Store Owner | Convenience Store Owner | Unverified | — | — | — | — |
Park Dong-il Mrs. Kwak's Husband | Mrs. Kwak's Husband | Unverified | — | — | — | — |
 Bae Jin-ah Mrs. Kwak | Mrs. Kwak | Living | 28/12/1985 | 40 | — | 40 |
Seo Chae-han Class President | Class President | Unverified | — | — | — | — |
 Jang Eun-seo Neighbor | Neighbor | Living | 05/07/1989 | 37 | — | 36 |
 Kim Min-che Neighbor | Neighbor | Living | 28/05/1976 | 50 | — | 49 |
 Yeo Dae-hyun Detective | Detective | Unverified | — | — | — | — |
 Kim Jae-il Internal Affairs Officer | Internal Affairs Officer | Living | 16/02/1982 | 44 | — | 43 |
Park Seung-wan Jo Yoo-sik | Jo Yoo-sik | Unverified | — | — | — | — |
 Seo Hye-jin Staff | Staff | Living | 22/02/1988 | 38 | — | 37 |
Lee Dong-kyu In-gang's Manager | In-gang's Manager | Unverified | — | — | — | — |
 Hong Min-gi Man 1 | Man 1 | Living | 12/03/2002 | 24 | — | 23 |