High School Boy (2026) featured a cast of 5 tracked actors. Of these, 4 (100%) are still alive today. The oldest surviving cast member is Lee Dong-ju, age 32. This TV series starred Han Se-jin and Lee Jung-hoon.
100% still with us· verified cast80% of full cast · incl. 1 unverified
Survivorship
Cast Reunion Index: 100% still living
Cast5 members
| Person | Character | Status | DOB | Age | DOD | Age in 2026 |
|---|---|---|---|---|---|---|
 Han Se-jin Hong Il-tak | Hong Il-tak | Living | 03/04/1996 | 30 | — | 30 |
 Lee Jung-hoon Lee Hyeon-woo | Lee Hyeon-woo | Living | 28/08/1995 | 31 | — | 31 |
 이상화 Kim Hyung-ju | Kim Hyung-ju | Living | 13/11/2001 | 24 | — | 25 |
 Lee Dong-ju Im Su-do | Im Su-do | Living | 02/04/1994 | 32 | — | 32 |
 Choi Dong-ho Kim Min-i | Kim Min-i | Unverified | — | — | — | — |