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After barely surviving a violent attack by an elusive serial killer, crime boss Jang Dong-su (Don Lee) finds himself forming an unlikely partnership with local detective Jung Tae-seok (Kim Moo Yul) to catch the sadistic killer simply known as “K”.
Original Release
05/15/2019
US Release
06/07/2019
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Cast
| Name | Character |
|---|
| Ma Dong-seok | Jang Dong-su / Jang Dong-soo |
| Jeon Bae-soo | Chief of the criminal department |
| Kim Mu-yeol | Jung Tae-seok / Jung Tae-suk |
| Kim Sungkyu | Kang Kyeong-ho |
| Gyu-ri Kim | Cha Seo-Jin |
| Heo Dong-won | Choi Moon-sik |
| Park Bo-Kyung | Victim's Wife |
| Woo Kang-Min | Ha Moo-yeong / Ha Moo-young |
| Seung-mok Yoo | Ahn Ho-bong |
| Ryu Tae-ho | Mr. Ahn |
Directors
Writers
Cast
| Name | Character |
|---|
| Ma Dong-seok | Jang Dong-su / Jang Dong-soo |
| Jeon Bae-soo | Chief of the criminal department |
| Kim Mu-yeol | Jung Tae-seok / Jung Tae-suk |
| Kim Sungkyu | Kang Kyeong-ho |
| Gyu-ri Kim | Cha Seo-Jin |
| Heo Dong-won | Choi Moon-sik |
| Park Bo-Kyung | Victim's Wife |
| Woo Kang-Min | Ha Moo-yeong / Ha Moo-young |
| Seung-mok Yoo | Ahn Ho-bong |
| Ryu Tae-ho | Mr. Ahn |
| Cha Soon-bae | Judge |
| Choi Min-cheol | Kwon Oh-sung |
| Yoo Jae-Myung | Heo Sang-do |
| Oh Hee-jun | Kim Dong-chul |
| Lee Eun-Saem | Student |
Producers
| Name | Role |
|---|
| Hyun-joo Jung | Executive Producer |
| Jang Won-seok | Executive Producer |
| Jang Won-seok | Producer |
| Sylvester Stallone | Producer |
