Girls Planet 999 (2021) featured a cast of 40 tracked actors. Of these, 40 (100%) are still alive today. The oldest surviving cast member is Tiffany Young, age 37. This TV series starred Yeo Jin-goo and Tiffany Young.
100% still with us· verified cast
Survivorship
Cast Reunion Index: 100% still living
Cast40 members
| Person | Character | Status | DOB | Age | DOD | Age in 2021 |
|---|---|---|---|---|---|---|
 Yeo Jin-goo Self - Planet master | Self - Planet master | Living | 13/08/1997 | 29 | — | 24 |
 Tiffany Young Self - K-Pop master | Self - K-Pop master | Living | 01/08/1989 | 37 | — | 32 |
 SUNMI Self - K-Pop master | Self - K-Pop master | Living | 02/05/1992 | 34 | — | 29 |
 Kim Chae-hyun Self - Contestant | Self - Contestant | Living | 26/04/2002 | 24 | — | 19 |
 Huening Bahiyyih Self - Contestant | Self - Contestant | Living | 27/07/2004 | 22 | — | 17 |
 Choi Yu-jin Self - Contestant | Self - Contestant | Living | 12/08/1996 | 30 | — | 25 |
 Kim Dayeon Self - Contestant | Self - Contestant | Living | 02/03/2003 | 23 | — | 18 |
 Seo Young-eun Self - Contestant | Self - Contestant | Living | 27/12/2004 | 21 | — | 17 |
 Kang Ye-seo Self - Contestant | Self - Contestant | Living | 22/08/2005 | 21 | — | 16 |
 Ezaki Hikaru Self - Contestant | Self - Contestant | Living | 12/03/2004 | 22 | — | 17 |
 Sakamoto Mashiro Self - Contestant | Self - Contestant | Living | 16/12/1999 | 26 | — | 22 |
 Shen Xiaoting Self - Contestant | Self - Contestant | Living | 12/11/1999 | 26 | — | 22 |
 Sheon Self - Contestant | Self - Contestant | Living | 28/01/2003 | 23 | — | 18 |
 Guinn Myah Self - Contestant | Self - Contestant | Living | 19/06/2006 | 20 | — | 15 |
 Fu Yaning Self - Contestant | Self - Contestant | Living | 14/07/1997 | 29 | — | 24 |
 Su Rui Qi Self - Contestant | Self - Contestant | Living | 20/08/2000 | 26 | — | 21 |
 Kawaguchi Yurina Self - Contestant | Self - Contestant | Living | 19/06/1999 | 27 | — | 22 |
 Kim Bo-ra Self - Contestant | Self - Contestant | Living | 03/03/1999 | 27 | — | 22 |
 Nonaka Shana Self - Contestant | Self - Contestant | Living | 13/03/2003 | 23 | — | 18 |
 Wen Zhe Self - Contestant | Self - Contestant | Living | 28/08/1997 | 29 | — | 24 |
 Lorina Huang Self - Contestant | Self - Contestant | Living | 03/11/1999 | 26 | — | 22 |
 Vivi Chen Self - Contestant | Self - Contestant | Living | 19/01/2001 | 25 | — | 20 |
 Nagai Manami Self - Contestant | Self - Contestant | Living | 21/09/2002 | 24 | — | 19 |
 Kishida Ririka Self - Contestant | Self - Contestant | Living | 02/07/2002 | 24 | — | 19 |
 Ikema Ruan Self - Contestant | Self - Contestant | Living | 16/03/2004 | 22 | — | 17 |
 Kamimoto Kotone Self - Contestant | Self - Contestant | Living | 10/03/2004 | 22 | — | 17 |
 Zhou Xinyu Self - Contestant | Self - Contestant | Living | 25/05/2002 | 24 | — | 19 |
 Hirokawa Mao Self - Contestant | Self - Contestant | Living | 16/11/2004 | 21 | — | 17 |
 Roada Xu Self - Contestant | Self - Contestant | Living | 06/05/1996 | 30 | — | 25 |
 Dolly Zhang Self - Contestant | Self - Contestant | Living | 18/02/2001 | 25 | — | 20 |
 Kim Do-ah Self - Contestant | Self - Contestant | Living | 04/12/2003 | 22 | — | 18 |
 Huh Ji-won Self - Contestant | Self - Contestant | Living | 04/09/2000 | 26 | — | 21 |
 Yoon Jia Self - Contestant | Self - Contestant | Living | 16/01/2004 | 22 | — | 17 |
 Miu Sakurai Self - Contestant | Self - Contestant | Living | 11/01/2002 | 24 | — | 19 |
 Sakamoto Shihona Self - Contestant | Self - Contestant | Living | 26/09/2001 | 24 | — | 20 |
 Hsu Nien-tzu Self - Contestant | Self - Contestant | Living | 02/06/2003 | 23 | — | 18 |
 Go Hae-won Self - Contestant | Self - Contestant | Living | 28/10/2004 | 21 | — | 17 |
 Lee Chae-Yun Self - Contestant | Self - Contestant | Living | 19/09/2005 | 21 | — | 16 |
 Jung Hyuk Guest | Guest | Living | 20/09/1991 | 35 | — | 30 |
| Living | 23/12/1996 | 29 | — | 25 |
