Circle (2017) featured a cast of 35 tracked actors. Of these, 32 (91%) are still alive today and 3 have passed away. The oldest surviving cast member is Füsun Erbulak, age 83. This TV series starred Yeo Jin-goo and Kim Kang-woo.
91% still with us· verified cast
Survivorship
Cast Reunion Index: 91% still living
Avg. Age at Death: 53 yrs
Deaths by Year
2022
2025
2026
Cast35 members
| Person | Character | Status | DOB | Age | DOD | Age in 2017 |
|---|---|---|---|---|---|---|
 Yeo Jin-goo Kim Woo-Jin | Kim Woo-Jin | Living | 13/08/1997 | 29 | — | 20 |
 Kim Kang-woo Kim Joon-Hyuk | Kim Joon-Hyuk | Living | 11/07/1978 | 48 | — | 39 |
 Gong Seung-yeon Han Jung-Yeon | Han Jung-Yeon | Living | 27/02/1993 | 33 | — | 24 |
 Lee Gi-kwang Lee Ho-Soo | Lee Ho-Soo | Living | 30/03/1990 | 36 | — | 27 |
 Kwon Hyuk-soo Detective Oh | Detective Oh | Living | 06/05/1986 | 40 | — | 31 |
 An Woo-yeon Kim Beom-Gyoon | Kim Beom-Gyoon | Living | 07/01/1991 | 35 | — | 26 |
 Kim Joong-ki Kim Kyu-Cheol | Kim Kyu-Cheol | Living | 22/07/1979 | 47 | — | 38 |
 Min Sung-wook Lee Hyun-Seok | Lee Hyun-Seok | Living | 22/09/1979 | 47 | — | 38 |
 Nam Myung-ryeol Yoon Hak-Joo | Yoon Hak-Joo | Living | 14/05/1959 | 67 | — | 58 |
 Lee Hwa-Kyum Secretary Shin | Secretary Shin | Living | 23/01/1995 | 31 | — | 22 |
 Seo Hyun-chul Hong Jin-Hong | Hong Jin-Hong | Living | 19/04/1965 | 61 | — | 52 |
 Song Young-gyu Hwang Yong-Woo | Hwang Yong-Woo | Deceased | 18/04/1970 | 55 | 04/08/2025 | 47 |
 Oh Eui-sik Lee Dong-Soo | Lee Dong-Soo | Living | 01/11/1983 | 43 | — | 34 |
 Kim Ye-jun Kim Bum-gyun (young) | Kim Bum-gyun (young) | Living | 28/04/2007 | 19 | — | 10 |
 Jung Ji-hoon Kim Woo-jin (young) | Kim Woo-jin (young) | Living | 31/05/2007 | 19 | — | 10 |
 Jung In-sun Park Min-young | Park Min-young | Living | 25/04/1991 | 35 | — | 26 |
| — | Living | 25/06/1943 | 83 | — | 74 | |
| — | Living | 17/09/1970 | 56 | — | 47 | |
| — | Living | 19/01/1997 | 29 | — | 20 | |
 Cenk Tunalı MİT Ajanı | MİT Ajanı | Living | 08/09/1978 | 48 | — | 39 |
| — | Living | 01/01/1984 | 42 | — | 33 | |
 Barış Bağcı Başkomiser Barış | Başkomiser Barış | Living | 27/05/1975 | 51 | — | 42 |
| — | Deceased | 21/12/1968 | 53 | 13/08/2022 | 49 | |
| — | Living | 08/03/1983 | 43 | — | 34 | |
| — | Living | 28/12/1977 | 48 | — | 40 | |
| — | Living | 08/10/1986 | 40 | — | 31 | |
| — | Living | 25/10/1962 | 64 | — | 55 | |
 Serhat Kılıç Komiser Adem | Komiser Adem | Deceased | 08/07/1975 | 51 | 05/09/2026 | 42 |
| — | Living | 01/04/1972 | 54 | — | 45 | |
| — | Living | 14/10/1963 | 63 | — | 54 | |
| — | Living | 18/11/1989 | 36 | — | 28 | |
| — | Living | 23/05/1974 | 52 | — | 43 | |
| — | Living | 16/08/1979 | 47 | — | 38 | |
| — | Living | 22/01/1982 | 44 | — | 35 | |
 Pelin Akil Komiser Yardımcısı Ayşe | Komiser Yardımcısı Ayşe | Living | 17/04/1986 | 40 | — | 31 |
