Twenty Again (2015) featured a cast of 11 tracked actors. Of these, 11 (100%) are still alive today. The oldest surviving cast member is Choi Ji-woo, age 51. This TV series starred Choi Ji-woo and Ha Seung-lee.
100% still with us· verified cast
Survivorship
Cast Reunion Index: 100% still living
Cast11 members
| Person | Character | Status | DOB | Age | DOD | Age in 2015 |
|---|---|---|---|---|---|---|
 Choi Ji-woo Ha No-Ra | Ha No-Ra | Living | 11/06/1975 | 51 | — | 40 |
 Ha Seung-lee Ha No-Ra (young) | Ha No-Ra (young) | Living | 09/01/1995 | 31 | — | 20 |
 Lee Sang-yun Cha Hyun-Seok | Cha Hyun-Seok | Living | 15/08/1981 | 45 | — | 34 |
 Kim Hee-chan Cha Hyun-Seok (young) | Cha Hyun-Seok (young) | Living | 23/12/1992 | 33 | — | 23 |
 Choi Won-young Kim Woo-Cheol | Kim Woo-Cheol | Living | 10/01/1976 | 50 | — | 39 |
 Kim Min-jae Kim Min-Soo | Kim Min-Soo | Living | 01/11/1996 | 30 | — | 19 |
 Son Na-eun Oh Hye-Mi | Oh Hye-Mi | Living | 10/02/1994 | 32 | — | 21 |
 Park Hyo-ju Kim Yi-jin | Kim Yi-jin | Living | 08/10/1982 | 44 | — | 33 |
 Jin Ki-joo Park Seung-hyun | Park Seung-hyun | Living | 26/01/1989 | 37 | — | 26 |
 Noh Young-hak Na Soon-nam | Na Soon-nam | Living | 01/04/1993 | 33 | — | 22 |
 Seo Han-gyeol Lee Man-gi | Lee Man-gi | Living | 30/03/1991 | 35 | — | 24 |