Composer
Director
Screenwriter
Main Role
- Ju Ji HoonGang GonMain Role
- Jin Se Yeon Main Role
- Kim Kang Woo Main Role
- Kim Yoo RiHan Yoo NaMain Role
Support Role
- Park Won SangGoo Dong Young [Priest]Support Role
- Lee Dae YeonShin Koo Chul [So Young's father]Support Role
- Kim Do HyunChoi Ho Joon [Investigation Team Leader]Support Role
- Choi Jin HoLee Han Gil [Deputy Prosecutor General]Support Role
- Kim Byung GiJo Gwan [Se Hwang's father]Support Role
- Kim Min KyoBang Hak Jae [Inmate]Support Role
- Oh Seung HoonSeo Yo Han [Detective]Support Role
- Shin Rin AhGang Da In [Kang Gon's niece]Support Role
- Lee Jung HyunGo Dae Soo [Gangster]Support Role
- Jung In GyeomYoo Chul Jo [Se Hwang's aide]Support Role
- Choi KwonKim Dae Heung [Detective]Support Role
- Hwang Dong JooHa Seung Mok [Former firefighter]Support Role
- Kim Seung HoonHan Hyung Su [Special prosecutor]Support Role
- Park Seon ImYoon So Hee [Scientist]Support Role
- Lee Ji WanKim Ho YunSupport Role
- Jung Ji HoonGang Gon [Young]Support Role
- Jo Yi HyunJin WoongSupport Role
- Kang Hyun WookDo JinSupport Role
- Lee Shi HyunSu JinSupport Role
- Hyun Suk JoonJung HunSupport Role
- Lee Ju EunHye SooSupport Role
- Lee Sung Woo[Detective]Support Role
- Lim Jung Min[Court Defendant]Support Role
- Jo Han Ah ReumYoo MinSupport Role
- Kim Sun YoolSe EunSupport Role
- Jang Deok Ju Support Role
Guest Role
- Go In Beom[Chief prosecutor] (Ep. 1)Guest Role
- Jung Jae SungKim Jae Jun [Chief Prosecutor] (Ep. 1-3, 21)Guest Role
- Lee Nam HeeNam Chul Soon [Chairman of Tree of Hope Foundation] (Ep. 1-3, 21, 24)Guest Role
- Lee Seung Joon[Da In's father] (Ep. 2)Guest Role
- Jo Sun MookLee Hak Joon [CEO of Pyeonghwa Law Firm] (Ep. 2, 8, 21)Guest Role
- Sung Chan Ho[Doctor] (Ep. 2, 23)Guest Role
- Nam Jung Hee[Go Dae Soo's grandmother] (Ep. 4, 7)Guest Role
- Kim Gun[Boy bullying Da In] (Ep. 5)Guest Role
- Choi Eun Hoo[Boy bullying Da In] (Ep. 5)Guest Role
- Cheon Young Min[Gambling room girl] (Ep. 7)Guest Role
- Song Chang Gyu[Prisoner from Gyeongsang] (Ep. 8)Guest Role
- Kwon Hyuk SooMr. Han [Yu Na's father] (Ep. 19, 21, 24)Guest Role
- Lee Jae WooWoo Jae Hyung (Ep. 22, 24, 30)Guest Role
- Yoon Yoo SunCho Mi Ae [So Young's mother] (Ep. 24)Guest Role
- Park Seung TaeEun Sun [Grandma wife] (Ep. 24)Guest Role
- Lee Yoon Sang[Director work for Se Hwang] (Ep. 25)Guest Role
- Seo Kwang Jae[Teacher] (Ep. 29)Guest Role
- Lee Chae YoonShin So Young [Young]Guest Role
- Kim Young DaeKim Sung Gyu / Gang Gon [Young]Guest Role
- Lee Shi WooJo Se Hwang [Child]Guest Role
- Lee Joo YoungKim Kyung Hee [Forensic scientist]Guest Role
- Nam Sang Hee[Se Eun’s friend - Orphanage for Angels]Guest Role
- Jin Hyun Kwang[Reporter]Guest Role
- Jun Jung Il[Bereaved family member]Guest Role
- Yook Jin Soo[Gambling store owner]Guest Role
- Kim Dae Heung[Constable]Guest Role
- Park Mi Ri[Nurse]Guest Role
- Seo Dong Oh[Old bachelor]Guest Role
- Park Sang Hyun[Hospital employee]Guest Role
- Kang Ji Hoon[Reporter]Guest Role
- Jin Sung Min[Reporter]Guest Role
- Byun Gun Woo[Reporter]Guest Role
- Park Jeong Min[Prison governor]Guest Role
- Ju Su Min[Passenger]Guest Role
- Kwak Na Yeon[Passenger]Guest Role
- Oh Jin Seok[Passenger reporting]Guest Role
- Lee Si Young[Citizen]Guest Role
- Na Seok Min[Detective]Guest Role
- Choi Yoon Woo[Disaster scene 5-year-old]Guest Role
- Kim Chae Hyun[Mother of subway tragedy child]Guest Role
- Kim Mi Hye[News anchor]Guest Role
- Kim Nam Ho[Secretary]Guest Role
- Lee Joo Bin Guest Role
- Jung Se Hoon Guest Role
- Choi Hyun Jin Guest Role
- Moon Hak Jin Guest Role
- Shin Hee Gook Guest Role
- Song Yo Sep Guest Role
- Im Young Shik Guest Role
- Hong Sung Duk Guest Role
- Kim Yun Hui[CSI team leader]Guest Role
Unknown
- Choi Young Unknown
- Kwon Oh Soo Unknown
- Jung Min Seok Unknown
- Dok Ko Kwang Unknown
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