Twenty Five Twenty One (2022) featured a cast of 146 tracked actors. Of these, 120 (100%) are still alive today. The oldest surviving cast member is Son Young-soon, age 84. This TV series starred Kim Tae-ri and Nam Joo-hyuk.
100% still with us· verified cast82% of full cast · incl. 26 unverified
Survivorship
Cast Reunion Index: 100% still living
Cast146 members
| Person | Character | Status | DOB | Age | DOD | Age in 2022 |
|---|---|---|---|---|---|---|
 Kim Tae-ri Na Hee-do | Na Hee-do | Living | 24/04/1990 | 36 | — | 32 |
 Nam Joo-hyuk Baek Yi-jin | Baek Yi-jin | Living | 22/02/1994 | 32 | — | 28 |
 Bona Ko Yu-rim | Ko Yu-rim | Living | 19/08/1995 | 31 | — | 27 |
 Choi Hyun-wook Moon Ji-woong | Moon Ji-woong | Living | 30/01/2002 | 24 | — | 20 |
 Lee Ju-myoung Ji Seung-wan | Ji Seung-wan | Living | 01/12/1993 | 32 | — | 29 |
 Kim Hye-eun Yang Chan-mi | Yang Chan-mi | Living | 01/03/1973 | 53 | — | 49 |
 Choi Myeong-bin Kim Min-chae | Kim Min-chae | Living | 15/04/2008 | 18 | — | 14 |
 Joo Bo-young Lee Ye-ji | Lee Ye-ji | Living | 30/03/1992 | 34 | — | 30 |
 Choi Min-yeong Baek Yi-hyun | Baek Yi-hyun | Living | 31/03/2002 | 24 | — | 20 |
 Kim So-hyun Adult Na Hee-do | Adult Na Hee-do | Living | 12/11/1975 | 50 | — | 47 |
 Park Yoon-hee Baek Sung-hak | Baek Sung-hak | Living | 27/12/1967 | 58 | — | 55 |
 Kim Young-sun Yi-jin's Mother | Yi-jin's Mother | Living | 05/03/1971 | 55 | — | 51 |
 So Hee-jung Seung-wan's Mother | Seung-wan's Mother | Living | 28/05/1973 | 53 | — | 49 |
 Choi Tae-joon Jung Ho-jin | Jung Ho-jin | Living | 07/07/1991 | 35 | — | 31 |
 Seo Jae-hee Shin Jae-kyung | Shin Jae-kyung | Living | 15/05/1976 | 50 | — | 46 |
 Lee Ye-jin Park Han-sol | Park Han-sol | Living | 24/03/1998 | 28 | — | 24 |
 Heo Ji-na Yu-rim's Mother | Yu-rim's Mother | Living | 29/06/1983 | 43 | — | 39 |
 Kim Dong-gyun Yu-rim's Father | Yu-rim's Father | Unverified | — | — | — | — |
Lee Chan-jong Seo Joong-hyuk | Seo Joong-hyuk | Unverified | — | — | — | — |
 Choi Sia Baek Su-yeong | Baek Su-yeong | Living | 19/08/1999 | 27 | — | 23 |
 Baek Suk-kwang Na Sung-jin | Na Sung-jin | Living | 29/09/1983 | 42 | — | 39 |
 Kang Hoon Baek Yi-hyun (adult) | Baek Yi-hyun (adult) | Living | 23/05/1991 | 35 | — | 31 |
 Park Jin-soo Seo Hye-jin | Seo Hye-jin | Unverified | — | — | — | — |
 Jung Yoo-min Hwang Bo-mi | Hwang Bo-mi | Living | 09/07/1992 | 34 | — | 30 |
 Kim Tae-yoo Kim Yoo-jin | Kim Yoo-jin | Living | 12/07/1995 | 31 | — | 27 |
 Lee Ki-bbeum Bo-mi's friend | Bo-mi's friend | Living | 22/06/1993 | 33 | — | 29 |
 Song Young-joo Bo-mi's friend | Bo-mi's friend | Living | 20/06/1991 | 35 | — | 31 |
 Yu Bee Yi-jin's friend | Yi-jin's friend | Living | 13/06/1990 | 36 | — | 32 |
 Jang Yeon-woo Yi-jin's friend | Yi-jin's friend | Living | 26/07/1997 | 29 | — | 25 |
 Jung Yong-ju Delinquent boy | Delinquent boy | Living | 27/07/1996 | 30 | — | 26 |
 Lee Ha-joo Fencing team player | Fencing team player | Living | 24/03/1995 | 31 | — | 27 |
 Lee Jung-ok Fencing club coach | Fencing club coach | Living | 12/04/1979 | 47 | — | 43 |
 Ri Min Newspaper delivery subscriber | Newspaper delivery subscriber | Living | 26/09/1972 | 53 | — | 50 |
 Shin Ga-eun Jang Chae-hee | Jang Chae-hee | Unverified | — | — | — | — |
 Lim Yong-soon Security guard | Security guard | Living | 01/01/1965 | 61 | — | 57 |
 Kang Hak-soo Loen Hotel employee | Loen Hotel employee | Living | 20/12/1973 | 52 | — | 49 |
 Park Bu-keon Mr. Baek's ex-employee | Mr. Baek's ex-employee | Unverified | — | — | — | — |
Jo Hyeon-jin Taeyang High School teacher (Eps 2) | Taeyang High School teacher (Eps 2) | Living | 03/01/1976 | 50 | — | 46 |
 Ma Jeong-pil Taeyang High School faculty member | Taeyang High School faculty member | Living | 18/07/1976 | 50 | — | 46 |
 Moon Woo-bin Kang Ji-soo | Kang Ji-soo | Living | 08/10/1994 | 31 | — | 28 |
 Bang Eun-jeong Lee Da-seul | Lee Da-seul | Living | 10/08/1992 | 34 | — | 30 |
 Ok Joo-ri Ahyeon Supermarket owner | Ahyeon Supermarket owner | Living | 26/10/1963 | 62 | — | 59 |
 Jung Chung-gu Myeongjin Book Rentals owner | Myeongjin Book Rentals owner | Living | 26/05/1969 | 57 | — | 53 |
 Bae Seong-il Mr. Baek's ex-employee | Mr. Baek's ex-employee | Living | 15/04/1972 | 54 | — | 50 |
 Ok Ye-rin Na Hee-do (young) | Na Hee-do (young) | Living | 14/12/2011 | 14 | — | 11 |
Kyung Da-eun Ko Yu-rim (young) | Ko Yu-rim (young) | Living | 09/07/2011 | 15 | — | 11 |
 Kim Bum-joon Ji-woong's friend | Ji-woong's friend | Living | 23/08/1994 | 32 | — | 28 |
 Jo Nam-hee Taeyang High School headmaster | Taeyang High School headmaster | Living | 12/09/1963 | 63 | — | 59 |
 Jeon Se-yong Passerby | Passerby | Living | 01/01/1971 | 55 | — | 51 |
 You Euna Elephant Snacks diner | Elephant Snacks diner | Unverified | — | — | — | — |