KO One (2005) featured a cast of 19 tracked actors. Of these, 19 (100%) are still alive today. The oldest surviving cast member is Melody Yin, age 47. This TV series starred Jiro Wang and Aaron Yan.
100% still with us· verified cast
Survivorship
Cast Reunion Index: 100% still living
Cast19 members
| Person | Character | Status | DOB | Age | DOD | Age in 2005 |
|---|---|---|---|---|---|---|
 Jiro Wang Wang Dadong | Wang Dadong | Living | 24/08/1981 | 45 | — | 24 |
 Aaron Yan Ding Xiaoyu | Ding Xiaoyu | Living | 20/11/1986 | 39 | — | 19 |
 Danson Tang Lei Kesi / Wu Shiduo | Lei Kesi / Wu Shiduo | Living | 02/09/1984 | 42 | — | 21 |
 Pets Tseng Lei Ting | Lei Ting | Living | 21/10/1984 | 41 | — | 21 |
| Living | 16/01/1979 | 47 | — | 26 | ||
| Living | 08/04/1991 | 35 | — | 14 | ||
 Ma Zhenhuan Lan Si Luo | Lan Si Luo | Living | 02/11/1992 | 33 | — | 13 |
 Wes Lo Gu Zhan | Gu Zhan | Living | 26/07/1989 | 37 | — | 16 |
 Wen Yu-Fei Qiu Qiu | Qiu Qiu | Living | 28/05/1989 | 37 | — | 16 |
 Calvin Chen Wang Ya Se | Wang Ya Se | Living | 10/11/1980 | 45 | — | 25 |
 Yi-Chen Tsai Cai Wu Xiong | Cai Wu Xiong | Living | 23/08/1987 | 39 | — | 18 |
 Jiang Ruize Tai Yang | Tai Yang | Living | 24/11/1993 | 32 | — | 12 |
 Toyoda Katsunari Shen Mi | Shen Mi | Living | 12/02/1992 | 34 | — | 13 |
 Zhongxi Jin Xiao Hu | Xiao Hu | Living | 02/05/1995 | 31 | — | 10 |
 Chen Shimin Tong Tong | Tong Tong | Living | 17/08/1993 | 33 | — | 12 |
 Chen Ying Yen Xiao Ba | Xiao Ba | Living | 26/02/1996 | 30 | — | 9 |
 Brent Hsu Bi Ling | Bi Ling | Living | 12/05/1993 | 33 | — | 12 |
 Sunnee Lan Si Chun | Lan Si Chun | Living | 28/09/1996 | 29 | — | 9 |
| Living | 29/10/1982 | 43 | — | 23 |
