Boy (2026) featured a cast of 4 tracked actors. Of these, 4 (100%) are still alive today. The oldest surviving cast member is Seo In-guk, age 39. This film starred Cho Byeong-kyu and Yoo In-soo.
100% still with us· verified cast
Survivorship
Cast Reunion Index: 100% still living
Cast4 members
| Person | Character | Status | DOB | Age | DOD | Age in 2026 |
|---|---|---|---|---|---|---|
 Cho Byeong-kyu Ro-han | Ro-han | Living | 23/04/1996 | 30 | — | 30 |
 Yoo In-soo Gyo-han | Gyo-han | Living | 25/03/1998 | 28 | — | 28 |
 JINI Jae-in | Jae-in | Living | 16/04/2004 | 22 | — | 22 |
 Seo In-guk Mad Hatter | Mad Hatter | Living | 23/10/1987 | 39 | — | 39 |