Composer
Director
Music Editor
Screenwriter
Main Role
- Kim Seo HyungCha Young JinMain Role
- Ryu Deok HwanLee Sun WooMain Role
- Park HoonBaek Sang HoMain Role
- Ahn Ji HoGo Eun HoMain Role
Support Role
- Min Jin WoongLee Jae Hong [Seoul police department / Detective]Support Role
- Kang Ye WonYoon Ja Young [Seoul police department]Support Role
- Jang Young NamJung So Yun [Eun Ho’s mother]Support Role
- Yoon Chan YoungJu Dong Myung [Shinsung Middle School]Support Role
- Kwon Hae HyoJang Gi Ho [New Life Church]Support Role
- Shin Jae HwiOh Du Suk [Manager of Millennium Hotel]Support Role
- Tae Won SeokKo Hee Dong [Head Security of Millennium Hotel]Support Role
- Park Min JungBae Sun Ah [Manager of Millennium Hotel]Support Role
- Moon Sung GeunHwang In Bum [Seoul police department]Support Role
- Jo Han ChulYoon Hee Sub [Chairman of Shinsung Middle School]Support Role
- Yoon Jae YongHa Min Sung [Shinsung Middle School]Support Role
- Seo Young JooKim Tae Hyung [Eun Ho's caretaker]Support Role
- Jeon Seok ChanKim Byung Hee [Seoul police department / Detective]Support Role
- Baek Soo JangPark Jin Su [Seoul police department / Detective]Support Role
- Park Chul MinHan Geun Man [Seoul police department / Chief Detective]Support Role
- Lee Chae EunHong Eun Joo [Seoul police department]Support Role
- Yoo Soon WoongYoo Pan Sool [Church staff]Support Role
- Kang Shin IlSeo Sang Won [Pastor]Support Role
- Baek Hyun JooIm Hee Jung [Stigmata's victim]Support Role
- Ahn Mi NaLee Sun Kyung [Sun Woo's older sister]Support Role
- Ok Ye RinYoon Ji Won [Hee Sub & Sun Kyung's daughter]Support Role
- Lee Joo Young[Ha Min Sung's mother]Support Role
- Han Soo HyunKim Chang Soo [So Yun's boyfriend]Support Role
Guest Role
- Kim Sae RonCha Young Jin [Young] (Ep.1-3, 13)Guest Role
- Kim Si EunChoi Soo Jung [Young Jin's best friend] (Ep.1-2, 13)Guest Role
- Lee Seung Yeon[Joo Han Sol's aunt] (Ep.5)Guest Role
- Jang Jae HoChoi Dae Hoon [Ha Min Sung's chauffeur] (Ep.1-3, 6, 8)Guest Role
- Min Sung WookKevin Jung [CEO] (Ep.6-7)Guest Role
- Jo Sun Mook[Secretary General of New Life Church] (Ep.1-2, 5, 7)Guest Role
- Jeon Moo SongKwon Jae Cheon (Ep.12, 15)Guest Role
- Seo Yi Sook[Soo Jung's mother] (Ep.1,2,16)Guest Role
- Kim Joon EuiGo Eun Ho [Young] (Ep.1-2)Guest Role
- Kim Nak Kyun[Detective]Guest Role
- Park Jung Eon[Pediatric ward mother](Ep.9)Guest Role
- Im Jae Geun[Forensic Scientist] (Ep.4)Guest Role
- Kim Dong Kyu[Forensic Scientist]Guest Role
- Ham Sung Min[Young Shik's friend] (Ep. 6)Guest Role
- Jang Eui DonChoi Man Gi [Detective] (Ep. 4)Guest Role
- Ryu Sung RokLee Young Shik (Ep.6)Guest Role
- Jung Ji HoonBaek Sang Ho [Child] (Ep.6, 11-12)Guest Role
- Baek Jae WooBaek Sang Ho [Young] (Ep.13, 15)Guest Role
- Seo Kwang Jae[Orphanage Director] (Ep.13)Guest Role
- Park Jin YoungKang In Jik (Ep.13-14)Guest Role
- Shin Mi Young[Yoo Pan Sool's neighbor] (Ep.14)Guest Role
- Jung Seung Kil[Principle of Shinsung Middle School] (Ep.3, 9)Guest Role
- Choi GoJoo Han Sol (Ep.5-6, 9, 11)Guest Role
- Sung Hyun Mi[Restaurant Owner] (Ep.10)Guest Role
- Seo Joon HyungJae Min (Ep. 7)Guest Role
- Bae Ho Geun Guest Role
- Sung Min JunLee Sun Woo (Child) (ep.5)Guest Role
- Shin Hee Chul[Policeman]Guest Role
- Choi Ji Yeon[Disciplinary hearing member] (Ep.13)Guest Role
- Lee Seung Jin[Paramedic]Guest Role
- Kim Woo Jin[Hotel employee] (Ep. 10)Guest Role
- Lee Gun HaYoo Hee Seob [Young]Guest Role
- Choi Gyo Shik[Motorcycle shop worker] (Ep. 15)Guest Role
- Nam Yun SeoBae Seon AhGuest Role
- Lee A RaLee Seon Kyeong [Young]Guest Role
- Park Se Hoon Guest Role
- Ha Min[Jae Min's mother] (Ep. 1)Guest Role
- Kwak Jin[Chief of school affairs]Guest Role
- Jung Soo Bum[Classmate]Guest Role
- Kim Min Kyung[first victim's mother ](ep.1)Guest Role
- Park Shi YoonOh Doo Seok [Young]Guest Role
Bit part
- Hwang Hyun Jeong Bit part
- Lee So Yi Bit part
- Joo Seung Min[Teacher]Bit part
Unknown
- Han Ji Won Unknown
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