Composer
Director
Screenwriter
Main Role
- Bae Suzy Main Role
- Lee Jong Suk Main Role
- Lee Sang Yeob Main Role
- Jung Hae InHan Woo TakMain Role
Support Role
- Hwang Young HeeYoon Moon Sun [Hong Ju's mother]Support Role
- Shin Jae Ha Support Role
- Kim Won HaeChoi Dam Dong [Investigator]Support Role
- Park Jin Joo Support Role
- Lee Gi Young Support Role
- Go Sung HeeShin Hee Min [Prosecutor]Support Role
- Bae Hae Seon Support Role
- Min Sung WookLee Ji Kwang [Prosecutor]Support Role
- Son SanMin Jung Hee [Dae Young's secretary]Support Role
- Lee Bong RyunGo Pil Sook [Hee Min's paralegal]Support Role
- Oh Eui ShikBong Doo Hyun [Reporter]Support Role
- Lee Yoo JoonOh Kyung Han [Police officer]Support Role
- Pyo Ye JinCha Yeo Jung [Police officer]Support Role
- Lee Do GyeomMyung Dae Gu [Seung Won's classmate]Support Role
- Nam Da ReumJung Jae Chan [Young]Support Role
- Shin Yi JoonNam Hong Joo [Young]Support Role
- Lee Jae KyoonChoi Dam Dong [Police officer]Support Role
- Ko Woo RimJung Seung Won [Young] [Past] / Chan Ho [Woo Joo's son] [Present]Support Role
Guest Role
- Im Ga Young[High school student] (Ep. 1)Guest Role
- Shim Wan Joon[Man with mustache] (Ep. 1)Guest Role
- Yeo Hoe HyunLee Yu Beom [Young] (Ep. 1-2)Guest Role
- Jang Hyun SungJung Il Seung [Jae Chan's father] (Ep. 1, 5-6, 29)Guest Role
- Kim Do Hye[Kindergartner] (Ep. 3)Guest Role
- Choi Won YoungNam Chul Doo [Hong Joo's father] (Ep. 3-4)Guest Role
- Uhm Hyo SubPark Jun Mo [So Yoon's father] (Ep. 3-5, 7-8)Guest Role
- Jang So YeonDo Geum Sook [So Yoon's mother] (Ep. 3-8)Guest Role
- Kim So HyunPark Soo Yoon [Seung Won's friend] (Ep. 3-8, 16, 32)Guest Role
- Hong KyungChoi Wook Hyeon [Deserter] (Ep. 3, 6, 29, 31)Guest Role
- Kim Da YeKang Cho Hee [Dae Hee's sister] (Ep. 3, 8-13, 15, 32)Guest Role
- Lee Jung Eun[Jae Chan's mother] (Ep. 5-6)Guest Role
- Park Young Soo[Car salesman] (Ep. 6)Guest Role
- Jo Mi Nyeo[Ji Kwang's paralegal] (Ep. 6, 19, 27-28, 32)Guest Role
- Kang Ki YoungKang Dae Hee [Fried chicken restaurant owner] (Ep. 9-13)Guest Role
- Kang Shin HyoGyoo Won (Ep. 10)Guest Role
- Shin Eun JungKim Joo Young [Chief judge] (Ep. 11-12)Guest Role
- Moon Ah Ram[Yu Beom's firm's receptionist] (Ep. 11, 15-17, 27-28)Guest Role
- Cha Jung WonYoo Soo Kyung [Archer] (Ep. 13-14, 16, 20)Guest Role
- Baek Sung HyunDo Hak Young [Cable man] (Ep. 13-20)Guest Role
- Jeon Gook HwanYoo Man Ho [Soo Kyung's father] (Ep. 15, 17-20)Guest Role
- Lee Min Jae[Seung Won's classmate] (Ep. 17-19Guest Role
- Yoo In Soo[Seung Won's classmate] (Ep. 17-19)Guest Role
- Moon XionLee Hwan [Tae Min's student] (Ep. 19, 21-23)Guest Role
- Yoon Kyun Sang[Lovers] (Ep. 21)Guest Role
- Lee Sung Kyung[Lovey-dovey couple] (Ep. 21)Guest Role
- Lee Ga Ryeong[Hospital coordinator] (Ep. 21)Guest Role
- Ryu Tae HoMoon Tae Min [Professor] (Ep. 21-24)Guest Role
- Jung Hyun Seok[Chan Ho's doctor] (Ep. 21-24)Guest Role
- Kim Gi Cheon[Lee Hwan's father] (Ep. 21-24, 32)Guest Role
- Woo Sung Min[Kindergartner] (Ep. 22)Guest Role
- Jo Yeon HoIm Se Young [Witness] (Ep. 22-23)Guest Role
- Lee Joo Suk[Presiding judge] (Ep. 23-24)Guest Role
- Hong Hee Won[Doctor expert witness] (Ep. 23-24)Guest Role
- Lee Jae WonJo Yoon Pyo [Phone buyer] (Ep. 25-28)Guest Role
- Yoon Yong HyunPark Dae Young [Phone thief] (Ep. 25-26)Guest Role
- Kim Soo In[Thief's daughter] (Ep. 26)Guest Role
- Lee Na RaHa Joo An [IV drip serial killer] (Ep. 28-30)Guest Role
- Son Byung HoPresident Go (Ep. 29-31)Guest Role
- Im Jae Geun[Reporter]Guest Role
- Park Sang Hwi[Yu Beom's driver]Guest Role
- Ham Jin Sung[Court inspector]Guest Role
- Min Chae Eun Guest Role
Unknown
- Kim Oh Bok Unknown
- Park Tae Yun Unknown
- Son Jung Rim Unknown
- Yoon Jae Hyun Unknown
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