Twelve (2025) featured a cast of 27 tracked actors. Of these, 27 (100%) are still alive today. The oldest surviving cast member is Ye Su-jeong, age 71. This TV series starred Don Lee and Park Hyung-sik.
100% still with us· verified cast
Survivorship
Cast Reunion Index: 100% still living
Cast27 members
| Person | Character | Status | DOB | Age | DOD | Age in 2025 |
|---|---|---|---|---|---|---|
 Don Lee Tae-san | Tae-san | Living | 01/03/1971 | 55 | — | 54 |
 Park Hyung-sik Ogwi | Ogwi | Living | 16/11/1991 | 34 | — | 34 |
 Seo In-guk Won-seung | Won-seung | Living | 23/10/1987 | 39 | — | 38 |
 Lee Ju-bin Mir | Mir | Living | 18/09/1989 | 37 | — | 36 |
 Ko Kyu-pil Do-ni | Do-ni | Living | 02/05/1982 | 44 | — | 43 |
 Kang Mi-na Kang-ji | Kang-ji | Living | 04/12/1999 | 26 | — | 26 |
 Sung Yoo-bin Jui-dol | Jui-dol | Living | 25/07/2000 | 26 | — | 25 |
 Ahn Ji-hye Mal-sook | Mal-sook | Living | 04/02/1989 | 37 | — | 36 |
 Regina Lei Bang-wool | Bang-wool | Living | 05/02/2000 | 26 | — | 25 |
 Sung Dong-il Ma-rok | Ma-rok | Living | 27/04/1967 | 59 | — | 58 |
 Shin Seung-hwan Jo Yang-su | Jo Yang-su | Living | 12/12/1978 | 47 | — | 47 |
 Ye Su-jeong Geum-soon | Geum-soon | Living | 25/03/1955 | 71 | — | 70 |
 Son Jong-hak Man-bok | Man-bok | Living | 20/06/1967 | 59 | — | 58 |
 Kim Jeong-hwan Kim Seong-hwan | Kim Seong-hwan | Living | 05/05/1986 | 40 | — | 39 |
 Na In-woo Ha-nu | Ha-nu | Living | 17/09/1994 | 32 | — | 31 |
 Han Ye-ji Yang-mi | Yang-mi | Living | 18/04/2001 | 25 | — | 24 |
 Bae Yu-ram Mr. To | Mr. To | Living | 22/08/1986 | 40 | — | 39 |
 Han Jae-in Dal-gi | Dal-gi | Living | 05/09/1997 | 29 | — | 28 |
 Kim Byung-cheol Gambling Den Boss | Gambling Den Boss | Living | 22/02/1979 | 47 | — | 46 |
 Kim Chan-hyung Sa-min | Sa-min | Living | 05/03/1980 | 46 | — | 45 |
 Lee Sang-won Bar Customer | Bar Customer | Living | 24/12/1983 | 42 | — | 42 |
 Jo Yong-geun Bar Customer | Bar Customer | Living | 14/04/1988 | 38 | — | 37 |
 Jo Yong-jun Villager | Villager | Living | 12/06/1984 | 42 | — | 41 |
 Seo Mun-ho Villager | Villager | Living | 04/12/1988 | 37 | — | 37 |
 Noh Eun-ha Geum-soon's Mother | Geum-soon's Mother | Living | 23/07/1980 | 46 | — | 45 |
 Ahn Seok-hyun Hae-tae (child) | Hae-tae (child) | Living | 02/11/2013 | 13 | — | 12 |
 Jang Jae-ho Hae-tae | Hae-tae | Living | 08/01/1986 | 40 | — | 39 |