Naughty by Arrangement (2026) featured a cast of 4 tracked actors. Of these, 4 (100%) are still alive today. The oldest surviving cast member is Koo Ja-sung, age 34. This TV series starred Koo Ja-sung and Yeoreum.
100% still with us· verified cast
Survivorship
Cast Reunion Index: 100% still living
Cast4 members
| Person | Character | Status | DOB | Age | DOD | Age in 2026 |
|---|---|---|---|---|---|---|
 Koo Ja-sung Cha Kang-jun | Cha Kang-jun | Living | 22/09/1992 | 34 | — | 34 |
 Yeoreum Na-eun | Na-eun | Living | 10/01/1999 | 27 | — | 27 |
| Living | 20/08/1994 | 32 | — | 32 | ||
 Hwang Hyo-sik Woo-jae | Woo-jae | Living | 18/08/1997 | 29 | — | 29 |
