Twice – Lost:Time (2017) featured a cast of 10 tracked actors. Of these, 10 (100%) are still alive today. The oldest surviving cast member is Kwak Si-yang, age 39. This TV series starred MINA and SANA.
100% still with us· verified cast
Survivorship
Cast Reunion Index: 100% still living
Cast10 members
| Person | Character | Status | DOB | Age | DOD | Age in 2017 |
|---|---|---|---|---|---|---|
 MINA Self | Self | Living | 24/03/1997 | 29 | — | 20 |
 SANA Self | Self | Living | 29/12/1996 | 29 | — | 21 |
 JIHYO Self | Self | Living | 01/02/1997 | 29 | — | 20 |
 JEONGYEON Self | Self | Living | 01/11/1996 | 30 | — | 21 |
 NAYEON Self | Self | Living | 22/09/1995 | 31 | — | 22 |
| MC | Living | 15/01/1987 | 39 | — | 30 | |
 CHAEYOUNG Self | Self | Living | 23/04/1999 | 27 | — | 18 |
 MOMO Self | Self | Living | 09/11/1996 | 30 | — | 21 |
 TZUYU Self | Self | Living | 14/06/1999 | 27 | — | 18 |
 DAHYUN Self | Self | Living | 28/05/1998 | 28 | — | 19 |
