Perfect Number (2012) featured a cast of 18 tracked actors. Of these, 17 (94%) are still alive today and 1 have passed away. The oldest surviving cast member is Dong Bang-woo, age 74. This film starred Ryoo Seung-bum and Lee Yo-won.
94% still with us· verified cast
Survivorship
Cast Reunion Index: 94% still living
Avg. Age at Death: 50 yrs
Deaths by Year
2021
Cast18 members
| Person | Character | Status | DOB | Age | DOD | Age in 2012 |
|---|---|---|---|---|---|---|
 Ryoo Seung-bum Suk-go | Suk-go | Living | 09/08/1980 | 46 | — | 32 |
 Lee Yo-won Hwa-sun | Hwa-sun | Living | 09/04/1980 | 46 | — | 32 |
 Cho Jin-woong Detective Min-bum | Detective Min-bum | Living | 03/03/1976 | 50 | — | 36 |
 Kim Yoon-sung Sang-joon | Sang-joon | Living | 19/12/1981 | 44 | — | 31 |
 Kim Bo-ra Yoon-ah | Yoon-ah | Living | 28/09/1995 | 31 | — | 17 |
 Lee Seok-jun Nam Tae-woo | Nam Tae-woo | Living | 05/08/1972 | 54 | — | 40 |
 Lim Sung-min Jung-sook | Jung-sook | Living | 08/07/1969 | 57 | — | 43 |
 Kwak Min-ho Chul-min | Chul-min | Living | 05/12/1984 | 41 | — | 28 |
 Kwon Hae-hyo Team Leader | Team Leader | Living | 06/11/1965 | 61 | — | 47 |
 Nam Moon-chul Director | Director | Deceased | 20/03/1971 | 50 | 04/10/2021 | 41 |
 Kim Ah-ron Girl | Girl | Living | 01/01/2002 | 24 | — | 10 |
 Kim Joo-ryoung Madame | Madame | Living | 15/07/1976 | 50 | — | 36 |
 Park Hyoung-soo Investigator 1 | Investigator 1 | Living | 03/12/1980 | 45 | — | 32 |
 Nam Yeon-woo Investigator 2 | Investigator 2 | Living | 09/10/1982 | 44 | — | 30 |
 Lee Kyoo-hyung Suk-go (Teen) | Suk-go (Teen) | Living | 29/11/1983 | 42 | — | 29 |
 Dong Bang-woo Innkeeper | Innkeeper | Living | 26/07/1952 | 74 | — | 60 |
 Song Young-chang Lie detector investigator | Lie detector investigator | Living | 02/04/1958 | 68 | — | 54 |
 Choi Young-woo Forensic team member #1 | Forensic team member #1 | Living | 24/10/1983 | 43 | — | 29 |