Director
Screenwriter
Main Role
- Yoon Chan YoungSong I Heon | Kim Deuk PalMain Role
- Bong Jae HyunChoi Se KyungMain Role
- Lee Seo JinKim Deuk PalMain Role
Support Role
- Seo Tae HwaChoi Myung Hyun [Se Kyung's father]Support Role
- Won Tae MinKim Dong Soo [Deuk Pal's subordinate]Support Role
- Kim Se WonPark Yeon Ji [Yi Heon & Se Kyung's friend]Support Role
- Joo Yoon ChanHong Jae Min [High school bully]Support Role
- Ko Dong OkJong CheolSupport Role
- Hwang Bo RaLee Mi KyungSupport Role
- Park Woo YoungPark Dong GyooSupport Role
- Jung Ji InKim Ye JiSupport Role
- Choi Ji HyeMin JiSupport Role
- Lee Kyung YoungSeo Chll Sung ['Seven Stars' sect boss]Support Role
- Shin Min Jae[Math instructor]Support Role
- Lee Hee JinSong Min SeoSupport Role
- Lee Seung Joo[Jae Min’s sister]Support Role
Guest Role
- You Chae Eun[Nurse] (Ep. 1)Guest Role
- Lee Jin Kwon[Nurse] (Ep. 1)Guest Role
- Lee Ki Bbeum[Hairdresser] (Ep. 1)Guest Role
- Ko Dong Hyoung[Dean of students] (Ep. 1)Guest Role
- Song Hoon[Funeral employee] (Ep. 1)Guest Role
- Yoon Kwan Woo[Detective] (Ep. 4, 7)Guest Role
- Kim Joon Hyung[Detective] (Ep. 4)Guest Role
- Kim Young Hoon[Hotel worker] (Ep. 6)Guest Role
- Park Jong Sang[Motel owner] (Ep. 6)Guest Role
- Lee Seung HunChairman Bae (Ep. 8)Guest Role
- Kim Do Hyeong[Doctor] (Ep. 8)Guest Role
- Lee Jung Eun[Maid]Guest Role
- Park Jong Bum[Gang member]Guest Role
- Seung Hyung Bae[Gang member]Guest Role
Unknown
- Park Sun Woo Unknown
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