Once Upon a Time in High School (2004) featured a cast of 23 tracked actors. Of these, 19 (100%) are still alive today. The oldest surviving cast member is Jun Sung-ae, age 70. This film starred Kwon Sang-woo and Lee Jung-jin.
100% still with us· verified cast83% of full cast · incl. 4 unverified
Survivorship
Cast Reunion Index: 100% still living
Cast23 members
| Person | Character | Status | DOB | Age | DOD | Age in 2004 |
|---|---|---|---|---|---|---|
 Kwon Sang-woo Hyeon-su | Hyeon-su | Living | 05/08/1976 | 50 | — | 28 |
 Lee Jung-jin Woo-shik | Woo-shik | Living | 25/05/1978 | 48 | — | 26 |
 Han Ga-in Eun-ju | Eun-ju | Living | 02/02/1982 | 44 | — | 22 |
 Lee Jong-hyuk Cha Jong-hoon | Cha Jong-hoon | Living | 31/07/1974 | 52 | — | 30 |
 Park Hyo-joon Ham Jae-bok | Ham Jae-bok | Living | 02/06/1980 | 46 | — | 24 |
 Seo Dong-won Seong-hun | Seong-hun | Living | 04/04/1979 | 47 | — | 25 |
 Kim Dong-young Young Hyeon-su | Young Hyeon-su | Living | 23/04/1988 | 38 | — | 16 |
 Cho Jin-woong Yasaengma Gang Member | Yasaengma Gang Member | Living | 03/03/1976 | 50 | — | 28 |
Lee Gyu-ho Yasaengma Gang Leader | Yasaengma Gang Leader | Unverified | — | — | — | — |
 Kim In-kwon Jiksae | Jiksae | Living | 20/01/1978 | 48 | — | 26 |
 Baek Bong-ki Cheetah | Cheetah | Living | 16/12/1980 | 45 | — | 24 |
 Ahn Nae-sang Teacher | Teacher | Living | 25/12/1964 | 61 | — | 40 |
 Kim Beong-choun Choi Byeong-sam | Choi Byeong-sam | Living | 13/06/1966 | 60 | — | 38 |
 Kwon Tae-won English Teacher | English Teacher | Living | 18/03/1961 | 65 | — | 43 |
 Cheon Ho-jin Hyeon-su's Father | Hyeon-su's Father | Living | 05/09/1960 | 66 | — | 44 |
Lee Hyeon-seok Hyun-soo's Mother | Hyun-soo's Mother | Unverified | — | — | — | — |
 Jun Sung-ae Jong-hoon's Mother | Jong-hoon's Mother | Living | 29/03/1956 | 70 | — | 48 |
Yang Han-seok P.E. Teacher | P.E. Teacher | Unverified | — | — | — | — |
 Park Soo-young Politics & Economics Teacher | Politics & Economics Teacher | Living | 15/03/1970 | 56 | — | 34 |
 Kim Bu-seon Boniface | Boniface | Living | 10/07/1961 | 65 | — | 43 |
 Lee Jang-woo Student | Student | Living | 01/06/1986 | 40 | — | 18 |
 Baek Joo-hee Student | Student | Living | 29/11/1976 | 49 | — | 28 |
 Lee Geon-moon Korean crow-tit's gang | Korean crow-tit's gang | Unverified | — | — | — | — |