Twenty-Twenty (2020) featured a cast of 9 tracked actors. Of these, 9 (100%) are still alive today. The oldest surviving cast member is Bae Hae-seon, age 52. This TV series starred Han Sung-min and Kim Woo-seok.
100% still with us· verified cast
Survivorship
Cast Reunion Index: 100% still living
Cast9 members
| Person | Character | Status | DOB | Age | DOD | Age in 2020 |
|---|---|---|---|---|---|---|
 Han Sung-min Chae Da-hee | Chae Da-hee | Living | 15/10/2001 | 24 | — | 19 |
 Kim Woo-seok Lee Hyun-jin | Lee Hyun-jin | Living | 27/10/1996 | 29 | — | 24 |
 Park Sang-nam Jung Ha-jun | Jung Ha-jun | Living | 29/01/1994 | 32 | — | 26 |
 Chae Won-been Baek Ye Eun | Baek Ye Eun | Living | 05/04/2001 | 25 | — | 19 |
 Jin Ho-eun Kang Dae-geun | Kang Dae-geun | Living | 01/09/2000 | 26 | — | 20 |
 Lee Seung-il Kwon Ki-jung | Kwon Ki-jung | Living | 17/06/1994 | 32 | — | 26 |
 Bae Hae-seon Chae Yoon-jung | Chae Yoon-jung | Living | 08/05/1974 | 52 | — | 46 |
 Kang Yu-chan Son Bo Hyun | Son Bo Hyun | Living | 31/12/1997 | 28 | — | 23 |
| Living | 02/06/1994 | 32 | — | 26 |
