Director
Screenwriter
Main Role
- Choi Si Won Main Role
- Lee Yoo Young Main Role
- Kim Min Jung Main Role
Support Role
- Tae In HoHan Sang Jin [Rookie politician]Support Role
- Kim Eui SungKim Joo Myung [Veteran Politician]Support Role
- Heo Jae HoChoi Pil Joo [Hoo Ja's right hand man]Support Role
- Jun Suk HoKang Hyun Tae [Sang Jin's colleague]Support Role
- Yang Dong GeunCharles / Kim Chul Soo [con-artist]Support Role
- Kil Hae YeonKim Kyung Ae [Sang Jin's mother / Chief of detectives]Support Role
- Park Kyung HyeYang Mi Jin [Jung Kook's sister]Support Role
- Woo HyunYang Si Chul [Jung Kook's father]Support Role
- Choi Dae ChulDetective LeeSupport Role
- Ji Yi SooDetective NaSupport Role
- Ahn Eun Jin Support Role
- Kim Ki NamPark Wang Go [Jung Kook's aide]Support Role
- Jung Soo YoungMyung In [Sang Jin's colleague]Support Role
- Kim Min JaeKim Nam Hwa [Assemblyman]Support Role
- Cha Rae HyungDetective GooSupport Role
- Lee Joo MyungHwang Seung Yi [Con-artist]Support Role
- Kim Shi WooHa Roo [Mi Jin's daughter]Support Role
- Jung Sung HoMa Sang Bum [Jung Kook's friend]Support Role
- Lee Moo Nyoung[Choi Pil Joo’s henchman]Support Role
Guest Role
- In Gyo JinChoi Wook Hyung [Prosecutor]Guest Role
- Im Se JuYoo Hui Jin [Jeong Guk's ex] (Ep. 1, 21-23)Guest Role
- Kim Jong GooPark Sang Pil [Father of Park Sisters] (Ep. 1-3, 23-24 )Guest Role
- Yoo Jae MyungKang Soo Il [Assembly candidate] (Ep. 1-2, 11-12, 14-16, 21-22)Guest Role
- Jung Myung Joon[Candidate debate mediator] (Ep. 1, 16-17)Guest Role
- Choi Sung Won[Mi Young's ex] (Ep. 1)Guest Role
- Choi Gyo Shik[Corner store owner] (Ep.3)Guest Role
- Park Choong Hwan[Northeast serial killer] (Ep.3)Guest Role
- Jung Jong Joon[CEO Baekyung Capital] (Ep.4)Guest Role
- Hong Suk Youn[fellow loan-shark boss] (Ep.4)Guest Role
- Lee Dong Hyeon[High school student](Ep.4, 19)Guest Role
- Jung Chan Hoon[High school student] (Ep.4, 19)Guest Role
- Yeom Hye RanSun Hee [2nd sister] (Ep. 11)Guest Role
- Baek Ji WonPark Jin Hee [Elder sister] (Ep. 12-14, 29-31, 34)Guest Role
- Kim Joo Ah[Kindergarten director] (Ep. 12)Guest Role
- Kim Boo Sun[Go-Stop player] (Ep.12)Guest Role
- Baek Jin Hee[Newlyweds buying apartment] (Ep.14)Guest Role
- Choi Daniel[Newlyweds buying apartment] (Ep.14)Guest Role
- Lee Joon HeeCho Hyung Tae [Assemblyman] (Ep. 25-27, 33, 36)Guest Role
- Jang Tae MinSung Dae Chul [Apartment scammer] (Ep.26)Guest Role
- Ryu Tae HoKim Chae Jin [Candidate - Minister of Economy and Finance] (Ep.27-28)Guest Role
- Yoo Hyung Kwan[Chairperson National Assembly] (Ep.27, 29, 32-33, 36)Guest Role
- Song Kyung Eui[Congressman, Confirmation hearing] (Ep.28)Guest Role
- Park Yong[Confirmation hearing] (Ep. 28)Guest Role
- Yang Hee Jae[Detective Goo's son] (Ep.30)Guest Role
- Baek Hyun JinBaek Chang Jin [Assemblyman] (Ep. 31, 33-34, 36)Guest Role
- Yoon Joo HeePark Mi Hee [3rd sister / Prosecutor] (Ep. 32-35)Guest Role
- Ok Joo Ri[Hotel housekeeper] (Ep. 33)Guest Role
- Kang Shin Goo[Assemblyman] (Ep.33, 34)Guest Role
- Jun Jung Il[Disciplinary committee member]Guest Role
- Sung Hong Il Guest Role
- Min Ah Ryung Guest Role
- Richard Kim[Manager]Guest Role
- Ko Hoon Mok[National Assembly member]Guest Role
- Oh Ji Young[Assemblyman](Ep. 29)Guest Role
- Nam Hee Soo[Reporter]Guest Role
- Lee Gyoung Ho[Aide]Guest Role
- Seo Dong Oh[Gangster]Guest Role
- Choi Yoon Woo[Kindergarten boy]Guest Role
- Tae Yul[Congressman, Election member]Guest Role
- Kim Nu Rim[High School student]Guest Role
- Han Sang Chul[Driver]Guest Role
- Kang Ji Hoon[Reporter]Guest Role
- Eom Ji Man[Board of Directors MC]Guest Role
- Na Seok Min[Subordinate]Guest Role
- Kim Esther[High School Girl uses campaigning Yang Mi Jin to bully others]Guest Role
- Song Chang Gyu[Mister from Chungcheong Province]Guest Role
Bit part
- Yun Seo Jeong[Citizen]Bit part
- Oh Tae Eun[Passerby #1] (Ep. 2)Bit part
- Kim Han Sang Bit part
Unknown
- Kim Shi Woo Unknown
- Kim Wang Yong Unknown
- Gu Yun Hoi Unknown
- Kim Woo Bin Unknown
- Kang Hak Soo Unknown
- Yoon Bok Sung Unknown
- Park Kyung Ok Unknown
- Jo Seung Gu Unknown
- Park Tae Jin Unknown
- Jo Hye Ryung Unknown
- Jo Mo Se Unknown
- Bae Eun Woo Unknown
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