Director
Screenwriter
Main Role
- Rain Main Role
- Im Ji Yeon Main Role
- Kwak Shi Yang Main Role
Support Role
- Seo Hye RinWoo Young Ye [Jang Do Shik's wife]Support Role
- Park Yoon YoungSe Young [Seok Joon’s daughter]Support Role
- Son Byung HoJang Do Shik [CEO of Baekeum Construction]Support Role
- Han Sang JinKang Yun Gi [CEO of Yulgaek Law Firm]Support Role
- Kim Joong KiPark Ki Beom [CEO - Sonamu Welfares]Support Role
- Choi PhillipMin Sung Jin [Lawyer]Support Role
- Park Won SangOh Seok Joon [Chief prosecutor]Support Role
- Jang So YeonBang Young Sook [Special investigation team]Support Role
- Park Shin AhHa Min Hee [Chief Inspector - Forensics]Support Role
- Im Sung JaeYang Go Woon [Homicide detective]Support Role
- Hong Jin KiMoon Ji Ho [Computer hacker - investigator]Support Role
- Shin Jae HaYoon Pil Woo [CEO - Babel Research Center]Support Role
- Lee Soo AhLee Bo Na [Jae Sang and Shi On's daughter] /Ahn Se Rin [Ahn Soo Ho daughter] ep.9Support Role
- Song Yoo HyunYoo Jin Hee [Hongwoo Group's head secretary]Support Role
- Park Gi SeonNo Woon Jun [Driver] (Ep. 1-3)Support Role
- Ha Soo HoSecretary HaSupport Role
- Park Mi Na['Grandma' next door]Support Role
- Kim A Lin[Daycare teacher] (Ep. 15)Support Role
- Uhm Ji SungJang Ju Won [Jang Do Shik’s son]Support Role
- Kang Hyun JungPark Soo-HeeSupport Role
Guest Role
- Uhm Tae Ok[Director of the Shiman Group]Guest Role
- Kim Kyung MinMa Sang Taek [Fake Criminal](Ep.24-25)Guest Role
- Lee Gyu SubKim Do Han [Fake Criminal] (Ep24-25)Guest Role
- Park Jae Won[Policeman]Guest Role
- Kim Hyung BeomAhn Soo Ho [Shi On's step-brother] (Ep. 9)Guest Role
- Seo Yi SookShin Jung Hye [Myung Hwan's wife] (Ep. 1-4)Guest Role
- Yoo Seung Bong[Young Joo's father] (Ep. 2, 4)Guest Role
- Seo Beom ShikJoo Myung Ki (Ep. 4)Guest Role
- Lee Yoon SangSeok Myung Hwan [Kyung Min's father] (Ep. 1)Guest Role
- Kim Tae HoonSeok Kyung Min [Assailant] (Ep. 1)Guest Role
- Choi Woo SungOh Young Shik [Witness] (Ep. 1, 16)Guest Role
- Park Yoo SeungOh Beom Goo [Young Shik's father] (Ep. 1, 16)Guest Role
- Han Da SolIn Na Rae [Victim] (Ep. 1)Guest Role
- Jung Jong Woo[Swindler] (Ep. 1)Guest Role
- Choi Young[Detective 10 years ago]Guest Role
- Lee Yoo Jin[Tattoo woman] (Ep. 1)Guest Role
- Choi Bum HoNoh Su Chan [Noh Young Mi’s father] (Ep. 5-8)Guest Role
- Song Yi JaePark Na Eun [Noh Young Mi’s friend] (Ep.5-6)Guest Role
- Lee Da HyunSeo Young Joo [Victim] (Ep. 1)Guest Role
- Kim Yeong ImJo Ae Suk [Noh Su Chan's wife] (Ep. 6, 9)Guest Role
- Baek Hyun Jin[Loan shark] (Ep. 6-8)Guest Role
- Kim Seung WookOh Chi Hun [Daehan Party's delegate] (Ep. 8-9)Guest Role
- Mi Seok[Shotgun shooter] (Ep. 4)Guest Role
- Yoon Jong GooLee Young Woo (Ep. 5)Guest Role
- Son Young SunMs. Kim (Ep. 5)Guest Role
- Kim Dae Kook[Reporter]Guest Role
- Yoo Yong[Reporter]Guest Role
- Yoo Jung HoJo Ho Young [Baekgeum Construction] (Ep. 12)Guest Role
- Jung Chung Gu[Garbage man]Guest Role
- Seo Ji HyeNoh Young Mi [Noh Su Chan's daughter] (Ep. 5-8)Guest Role
- So Hee JungJoo Young Ok [Nurse] (Ep. 13)Guest Role
- Kim Hyo KyungSong Chae Yi [Bo Na's friend] (Ep. 15)Guest Role
- Jo Mi Nyeo[Daycare mom] (Ep. 10, 14)Guest Role
- Kim Yong Jin[‘Human Prime’ Director] (Ep. 13)Guest Role
- Kim Jin Ok[Attacked at police station] (Ep. 14)Guest Role
- Ok Joo Ri[Insurance planner] (Ep. 15)Guest Role
- Jo Hyun JinCho Na Jin [Babel Team Lead] (Ep. 15)Guest Role
- Kang Hyun JungPark Sook Hee [Chae Yi’s mother]Guest Role
- Song Ji WooLee Da Som [Boarder]Guest Role
- Chae Song Hwa[Jae Sang and Shi On's neighbor friend]Guest Role
- Shin Cheol YongSong Min Jae [Chae Yi’s father]Guest Role
- Kim Sa Hun[Babel Researcher] (Ep 15,17)Guest Role
- Lim Jung Min[Song Min Jae's elder brother]Guest Role
- Kim Do Yeob[Student bullied by Ju Won]Guest Role
- Seol Jung HwanJeong Min Soo [Actor]Guest Role
- Jo Yi HyunYoon Pil Woo / Ji Sun Woo (Young)Guest Role
- Jin Hyun Kwang[Jae Sang’s Doctor] (Ep19)Guest Role
- Lee Min SikDoctor Ahn [Segyung Hospital] (Ep.9)Guest Role
- Choi Woo RiJi Yang Hee [Hospital patient] (Ep17-Guest Role
- Hong Suk Youn[Butcher] (Ep22)Guest Role
- Song Hoon[Ji Yang Hee’s customer] (Ep. 22)Guest Role
- Kim Jong Ho[Grandfather meeting candidate Jang]Guest Role
- Kim Sang Il[Host]Guest Role
- Jang Moon Seok[Photographer]Guest Role
- Eom Ji ManGo Jae Man [Se Kyung orphanage staff] (Ep. 27)Guest Role
- Dong Yoon Seok[Security Team Leader]Guest Role
- Jung Won JoReporter Yoo Tae Woo (Ep31)Guest Role
- Kim Ri WooGwa HanGuest Role
- Kim Seung Hyun[Gangster]Guest Role
- Choi Min Woo[Doctor]Guest Role
- Kwak Na Yeon[Oh Young Shik's mother] (Ep 1,16)Guest Role
- Oh Yoo Mi[Wife]Guest Role
- Yoo Sung Min[victim student]Guest Role
- Song Chang Gyu[Parking concierge]Guest Role
- Kim Han Sang[Party guest]Guest Role
- Bae Gi Beom[District attorney]Guest Role
- Koo Min Hyuk[Broker]Guest Role
- Choi Hyuk JooJo Hyeon JooGuest Role
- Lee Kyung Hoon[Electoral staff]Guest Role
- Kim Shi Woo[Younger brother of Yak Ji's mother] (Past)Guest Role
- Choi Ji Woo Guest Role
- Lee Joong Hyun[Man #1]Guest Role
- Seo Hye WonBan JiGuest Role
- Lee Ju Eun[Orphanage girl]Guest Role
- Choi Min Hyeok[Student]Guest Role
- Lee Na Hyun[Tattoo girl]Guest Role
- Lee Jung Woo[Stylist]Guest Role
- Ko Seo Jeong[Citizen]Guest Role
- Hwang Jung Yoon[Reporter]Guest Role
- Kim Soo Yeon[Medical staff]Guest Role
- Sim So Yeon[Civic group director]Guest Role
- Lee Tae Ho[Reporter]Guest Role
- Jeong Yoon Hee[Reporter]Guest Role
- Kim I San[Yak Ji's father]Guest Role
- Pyo Dong Jun[Younger brother of Yak Ji's mother] [Past]Guest Role
- Jin Sung Min[Reporter]Guest Role
- Ahn So Ye[Orphanage kid]Guest Role
Unknown
- Park Se Ryeon Unknown
- Dok Ko Kwang Unknown
- Park Joo Ha Unknown
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