Sister (2026) featured a cast of 4 tracked actors. Of these, 4 (100%) are still alive today. The oldest surviving cast member is Lee Soo-hyuk, age 38. This film starred Jung Zi-so and Lee Soo-hyuk.
100% still with us· verified cast
Survivorship
Cast Reunion Index: 100% still living
Cast4 members
| Person | Character | Status | DOB | Age | DOD | Age in 2026 |
|---|---|---|---|---|---|---|
 Jung Zi-so Seong Hae-ran | Seong Hae-ran | Living | 17/09/1999 | 27 | — | 27 |
 Lee Soo-hyuk Jung Tae-soo | Jung Tae-soo | Living | 31/05/1988 | 38 | — | 38 |
 Cha Joo-young Park So-jin | Park So-jin | Living | 05/06/1990 | 36 | — | 36 |
 Jung Ji-woo Radio DJ | Radio DJ | Living | 05/03/1989 | 37 | — | 37 |