Undercover (2021) featured a cast of 22 tracked actors. Of these, 21 (95%) are still alive today and 1 have passed away. The oldest surviving cast member is Park Keun-hyong, age 86. This TV series starred Ji Jin-hee and Kim Hyun-joo.
95% still with us· verified cast
Survivorship
Cast Reunion Index: 95% still living
Avg. Age at Death: 55 yrs
Deaths by Year
2025
Cast22 members
| Person | Character | Status | DOB | Age | DOD | Age in 2021 |
|---|---|---|---|---|---|---|
 Ji Jin-hee Han Jung Hyun [Present] | Han Jung Hyun [Present] | Living | 24/06/1971 | 55 | — | 50 |
 Kim Hyun-joo Choi Yeon Soo [Present] | Choi Yeon Soo [Present] | Living | 24/04/1977 | 49 | — | 44 |
 Yeon Woo-jin Han Jung Hyun [Young] | Han Jung Hyun [Young] | Living | 05/07/1984 | 42 | — | 37 |
 Han Seon-hwa Choi Yeon Soo [Young] | Choi Yeon Soo [Young] | Living | 06/10/1990 | 35 | — | 31 |
 Huh Joon-ho Im Hyeong Rak | Im Hyeong Rak | Living | 14/04/1964 | 62 | — | 57 |
 Jeong Man-sik Do Yeong-geol | Do Yeong-geol | Living | 11/12/1974 | 51 | — | 47 |
 Han Go-eun Go Yoon Joo | Go Yoon Joo | Living | 10/03/1975 | 51 | — | 46 |
 Son Jong-hak Yoo Sang Dong | Yoo Sang Dong | Living | 20/06/1967 | 59 | — | 54 |
 Song Young-gyu Kwak Moon Heum | Kwak Moon Heum | Deceased | 18/04/1970 | 55 | 04/08/2025 | 51 |
 Park Keun-hyong Lee Man Ho | Lee Man Ho | Living | 07/06/1940 | 86 | — | 81 |
 Kim Soo-jin Min Sang Ah | Min Sang Ah | Living | 29/09/1974 | 51 | — | 47 |
 Yoo Seon-ho Han Seung-goo | Han Seung-goo | Living | 28/01/2002 | 24 | — | 19 |
 Lee Jae-in Han Seung-Mi | Han Seung-Mi | Living | 06/02/2004 | 22 | — | 17 |
 Kwon Hae-hyo Oh Pil-Jae | Oh Pil-Jae | Living | 06/11/1965 | 60 | — | 56 |
 Ju Seok-tae Park Won-Jong | Park Won-Jong | Living | 19/03/1976 | 50 | — | 45 |
 Nam Sung-jin Cha Min-Ho | Cha Min-Ho | Living | 31/12/1969 | 56 | — | 52 |
 Lee Seung-joon Kang Chung-Mo | Kang Chung-Mo | Living | 11/02/1973 | 53 | — | 48 |
 Choi Dae-chul Chu Dong-Woo | Chu Dong-Woo | Living | 16/10/1978 | 47 | — | 43 |
 Lee Han-wi Bae Goo-Taek | Bae Goo-Taek | Living | 17/06/1961 | 65 | — | 60 |
 Bae Yoon-kyung Song Mi-Sun | Song Mi-Sun | Living | 22/01/1993 | 33 | — | 28 |
 Choi Gwang-il Hwang Jeong Ho | Hwang Jeong Ho | Living | 20/03/1971 | 55 | — | 50 |
 Hong Jin-gi Kang Chung Mo [Young] | Kang Chung Mo [Young] | Living | 23/08/1995 | 31 | — | 26 |