One and Only (2026) featured a cast of 2 tracked actors. Of these, 2 (100%) are still alive today. The oldest surviving cast member is Kang Gil-woo, age 39. This film starred Kang Gil-woo and Bae Eun-woo.
100% still with us· verified cast
Survivorship
Cast Reunion Index: 100% still living
Cast2 members
| Person | Character | Status | DOB | Age | DOD | Age in 2026 |
|---|---|---|---|---|---|---|
 Kang Gil-woo Dong-il | Dong-il | Living | 10/11/1986 | 39 | — | 40 |
 Bae Eun-woo Mi-hyeon | Mi-hyeon | Living | 01/01/1990 | 36 | — | 36 |