Composer
Director
Screenwriter
Main Role
- Yoo Jae Myung Main Role
- Han Ye Ri Main Role
- Uhm Tae Goo Main Role
Support Role
- Kim Sae Byeok Support Role
- Choi Kwang IlIm In Gwan [Se Yun's father / Assemblyman candidate]Support Role
- Lee ReJo Jae Yeong [Gyeong Ho's daughter]Support Role
- Park Mi HyunKim Gyeong Seok [Jae Yeong's grandmother / Sook's Chinese restaurant owner]Support Role
- Lee Hae WoonJung Yeong Seop [Jeong Hyeon's school friend / Kyungcheon magazine club alum]Support Role
- Cha Rae HyungKang Yong Tak [Yongma Finance / Kyungcheon magazine club alum]Support Role
- Heo Jung EunKim Mun Suk [Jae Yeong's best friend / Kyungcheon middle broadcasting club]Support Role
- Park Shi YeonPD Jung [Kyungcheon middle broadcasting club leader]Support Role
- Kim Ji AnLee Gyeong Jin [Heungan-dong victim]Support Role
- Song Young ChangYang Won Taek [Kyeongnam district homicide chief]Support Role
- Jo Bok RaeLee Si Jeong [Hyeong In's partner / Choi Gyeong Ju's husband / Sergeant]Support Role
- Tae In HoSon Ji Seung [Busan prosecutor's office investigator]Support Role
- Yoo Sung JooWoo Seong Min [Pastor]Support Role
- Kim Soo JinJung Min Sil [Hyeong In's housekeeper]Support Role
- Ahn Dong Yeob"Pig" [Yong Tak's subordinate at Yongma Finance]Support Role
- Lee Joo YoungKoo Byeong Min [Professor]Support Role
- Song Ji Hyun Support Role
- Kim JungJung Min Jae [Jeong Hyeon's friend]Support Role
Guest Role
- Kim Chae HyunJung Hyeong Jae (Ep. 1)Guest Role
- Kim Kyung MinYoo Jeong Gil (Ep. 1)Guest Role
- Kim Deok Ju[Yeong Seop's mother] (Ep. 1)Guest Role
- Yoo Soon Woong[Kyungcheon middle security guard] (Ep. 1-2)Guest Role
- Bae Hyun Kyung[Kyungcheon middle teacher] (Ep. 1-2)Guest Role
- Seo Young Sam[Kyungcheon middle administrator] (Ep. 1-2)Guest Role
- Kim Ye EunChoi Gyeong Ju [Kyungcheon magazine club alum / Si Jeong's wife] (Ep. 2-3, 7)Guest Role
- Kim Shin BiKim Hwan Gyu [Suk's Chinese restaurant deliveryman] (Ep. 1-2, 4-5)Guest Role
- Yoon Gyung HoLee Yeong Duk [Genius Academy owner] (Ep. 2-3)Guest Role
- Hwang Sun Young[Seong Sin mother] (Ep. 3)Guest Role
- Kim Hye Jung[Borrower] (Ep. 3)Guest Role
- Bae Sung Il[Detective] (Ep. 3)Guest Role
- Kim Gun Soo[Yeoung Seop's cousin] (Ep. 3)Guest Role
- Park Joo Young[Imprisoned woman] (Ep. 4)Guest Role
- Im Yong Soon[Prison official] (Ep. 5)Guest Role
- Kim Si Eun[Library student] (Ep. 5)Guest Role
- Yoon Sang HwaDr. Lee (Ep. 5, 10)Guest Role
- Kang Hak Soo[Detective ] (Ep. 6)Guest Role
- Lee Yoon Hee[Pig farmer] (Ep. 6)Guest Role
- Ahn Seo YeonJo Jeong Hyeon [Young] (Ep. 7)Guest Role
- Song Nu RiJo Gyeong Ho [Child] (Ep. 7)Guest Role
- Kim Sung Yong[Prison guard] (Ep. 7)Guest Role
- Cha Sung JeYun Si Yeong (Ep. 7, 9-12)Guest Role
- Han Ha RangKim Hong Jung (Ep. 8)Guest Role
- Woo Kang MinKim Hui Yun (Ep. 10)Guest Role
- Hong Suk Bin[Fisherman / Gyeong Ho and Jung Hyun's father] (Ep. 10-11)Guest Role
- Hong Ye Ji[Youngjingyo member] (Ep. 11)Guest Role
- Lim Jung Min[Security guard] (Ep. 12)Guest Role
- Kim Dong Yong[Deivery driver] (Ep. 12)Guest Role
- Kim Hyun ChangKim Seong Hui [Investigator]Guest Role
- Lee Chae EunJung Min Jae [Teen]Guest Role
- Jung Soo BumJung Yeong Seop [Young]Guest Role
- Noreen Joyce Guerra[Member of the Cult]Guest Role
- Jang Se Won[Camcorder man]Guest Role
- Jung Hyeon Ok[Suspicious man]Guest Role
Unknown
- Park Ji Won Unknown
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