Director
Original Creator
Main Role
- Lee Je HoonPark Young HanMain Role
- Lee Dong HwiKim Sang SoonMain Role
- Choi Woo SungCho Kyung HwanMain Role
- Yoon Hyun SooSeo Ho JeongMain Role
- Seo Eun SooLee Hae JooMain Role
Support Role
- Choi Deok MoonYoo Dae Cheon [Investigation team 1 leader]Support Role
- Song Wook KyungByun Dae Sik [Investigation team 2 leader]Support Role
- Ryu Yeon SeokSong Jae Deok [Detective]Support Role
- Jo Han JoonHwang Soo Man [Detective]Support Role
- Nam Hyun WooOh Ji Seop [Detective]Support Role
- Ko Sang HoMoon Kook Cheol [Autopsy doctor]Support Role
- Jung Soo BinBong Nan Sil [High school student]Support Role
- Uhm Jun GiSung Chil [Grandma Ho's grandson]Support Role
- Cha Mi KyungGrandma Ho [Rice cake shop owner]Support Role
- Kim Seo AnGeum Ok [Go Myung's daughter]Support Role
- Kim Young SungLee Jung Jae [Libertarian party member]Support Role
- Joo In YoungFa Joo Daek [Boarding house owner]Support Role
- Shin Min JaeGeum Eun Dong [Banker]Support Role
- Lee Suk HyeongJung Kook Jin [Student]Support Role
- Oh YongChoi Dal Sik [Jongnam police station's chief]Support Role
- Kim Min JaeBaek Do SeokSupport Role
- Yoo Hae Jin Support Role
- Park Jung HyukBang Wool Baem / “Rettlesnake” [Gangster]Support Role
- Kang In KwonSal Mo Sa / “Viper” [Thug]Support Role
- Moon Jin SeungDetective KangSupport Role
Guest Role
- Ji Sung GeunMr. Oh (Ep. 1)Guest Role
- Kim Hyung JooPolice officer Kim (Ep. 1)Guest Role
- Yoon Sung WooPark Yeong Han [Teen] (Ep. 1)Guest Role
- Choi Bool AmPark Young Han [Older] (Ep. 1)Guest Role
- Lee Moo Nyoung[Gambler] (Ep. 1)Guest Role
- Lim Dong Yoon[Gambler] (Ep. 1)Guest Role
- Park Eun Young[Food seller] (Ep. 1)Guest Role
- Cha Mi Kyung[Mr. Oh’s wife] (Ep. 1)Guest Role
- Moon Yong Il[Gang member] (Ep. 1)Guest Role
- Kim Kyung Min[White suit man] (Ep. 1)Guest Role
- Kim Jin Ok[Rice cake seller] (Ep. 1)Guest Role
- Lee Yang Hee[Yeong Han’s dad] (Ep. 1)Guest Role
- Jeon Young[Restaurant owner] (Ep. 1)Guest Role
- Bae Sung Il[Police station chief] (Ep. 1)Guest Role
- Koo Do Kyun[Gambling house staff] (Ep. 1)Guest Role
- Park Young Bok[Snake soup shop owner] (Ep. 1)Guest Role
- Kim Deok Ju[Pub owner] (Ep. 1-2)Guest Role
- Joey Albright[U.S. soldier] (Ep. 1-2)Guest Role
- Park Gi Seon[Tailor] (Ep. 1, 3)Guest Role
- Kim Sung Yong[CM director] (Ep. 2)Guest Role
- Lee Jae Woo[Interviewer] (Ep. 2)Guest Role
- Lee Joong Yul[Village chief] (Ep. 2)Guest Role
- Han Myung Hwan[Police officer] (Ep. 2)Guest Role
- Jang Tae Hyun[Gang member] (Ep. 2)Guest Role
- Yoo Ha Bok[Ho Jeong’s dad] (Ep. 2)Guest Role
- Kim Joo Ah[Ho Jeong’s mom] (Ep. 2)Guest Role
- Kim Dae Kook[Dal Sik’s assistant] (Ep. 2)Guest Role
- Bret Allan Lindquist[Dynamite arrestee] (Ep. 2)Guest Role
- Kang Hae Ri[Coffee delivery woman] (Ep. 2)Guest Role
- Lee Woo JooSteve Jackson (Ep. 2, 5)Guest Role
- Hong In[Bank robber] (Ep. 3)Guest Role
- Park Chan Woo[Bank robber] (Ep. 3)Guest Role
- Jung Jong Yul[Bank manager] (Ep. 3)Guest Role
- Park Joo YongBig Bug [Homeless man] (Ep. 3, 5)Guest Role
- Noh Jae Hoon[Homeless man] (Ep. 3, 5)Guest Role
- Oh Soo HyeMs. Yoon (Ep. 4)Guest Role
- Cha Ye JunSecretary Kim (Ep. 4)Guest Role
- Choi GoKim Young Nam (Ep. 4)Guest Role
- Kim Soo JinAudrey Ko [Orphanage director] (Ep. 4)Guest Role
- Go Seo HeeJang Mal Sun [Cosmetics saleswoman] (Ep. 4)Guest Role
- Bae Hyun Kyung[Doctor] (Ep. 4)Guest Role
- Ri Min[Merchant] (Ep. 4)Guest Role
- Kim So Woon[Chairwoman] (Ep. 4)Guest Role
- Kim Jin Kyu[Military doctor] (Ep. 4)Guest Role
- Son Yong Beom[Military officer] (Ep. 4)Guest Role
- Lee Hyeon Seo[Jung Woo’s mom] (Ep. 4)Guest Role
- Ahn Hyeon Bin[Hoyang detective] (Ep. 4)Guest Role
- Lee Gyu Sub[Gambling hall staff] (Ep. 4)Guest Role
- Jung Young Ki[Cult leader] (Ep. 5)Guest Role
- Lee Sung Il[Chief prosecutor] (Ep. 5)Guest Role
- Min Moo Je[Thug] (Ep. 6)Guest Role
- Min Sang Chul[Doctor] (Ep. 6)Guest Role
- Kang Ji Hoon[Reporter] (Ep. 6)Guest Role
- Seo Kwang Jae[Professor] (Ep. 6)Guest Role
- Kwon Dong Won[Gang member] (Ep. 6)Guest Role
- Heo Seon Haeng[Goryeo bank president] (Ep. 6)Guest Role
- Yoon Bok Sung[Sinkwang society member] (Ep. 6)Guest Role
- Park Jae Wan[Sinkwang society member] (Ep. 6)Guest Role
- Jung Chan Hoon[Sinkwang society member] (Ep. 6)Guest Role
- Kim Moon Chan[Merchants' association head] (Ep. 6)Guest Role
- Oh Kyung JooHong In Ho (Ep. 7)Guest Role
- Lee Ho ChulKo Doo Pal (Ep.7)Guest Role
- Woo HyunLee Do Hak (Ep. 7)Guest Role
- Kang Hak SooKim Hak Pil (Ep. 7)Guest Role
- Kim Hyung MookNa Gun Soo (Ep. 7)Guest Role
- Park Se YoGong Ja Bok (Ep. 7)Guest Role
- Kim Won SeokOh Chul Kyu (Ep. 7)Guest Role
- Choi Kwang JeJang Geo Chi (Ep. 7)Guest Role
- Kim Chan Yi[Resident] (Ep. 7)Guest Role
- Jang Ho Jin[Resident] (Ep. 7)Guest Role
- Kim Han Kyu[Gambler] (Ep. 7)Guest Role
- Han Seo Ul[In Ho’s wife] (Ep. 7)Guest Role
- Baek Kil Sung[KCIA agent] (Ep. 7)Guest Role
- Andy Jin[Superior]Guest Role
- Kwak Yeong Seon[Interviewer] (Ep. 2)Guest Role
- Yang Hui SangKim Cheol Su (Ep. 4)Guest Role
- Kim Hak Soo[Pioneer corps member] (Ep. 8)Guest Role
- Park Jun Woo[Gangster]Guest Role
- Choi Gyo Shik[Sidewalk vendor] (Ep. 7)Guest Role
- Hwang Gyu Chan[Gambling den staff] (Ep. 7)Guest Role
- Choi Hyun JinKim Man Soo (Ep. 8)Guest Role
- Shim Jae HyunLee Duk Yong (Ep. 8)Guest Role
- Song Hoon[Victim] (Ep. 8)Guest Role
- Yoon Jong Won[Victim] (Ep. 8)Guest Role
- Lee Yeon Joo[Teacher] (Ep. 8)Guest Role
- Hwang Jung Yoon[Man Su's mom] (Ep. 8)Guest Role
- Yang Joon Seok[Pioneer corps boy] (Ep. 8)Guest Role
- Jung Joon[Pioneer corps boy] (Ep. 8)Guest Role
- Lee Hyun Kul[Pioneer corps boss] (Ep. 8)Guest Role
- Chu Eun Kyung[Man Soo's neighbor] (Ep. 8)Guest Role
- Yun Seo Jeong[Man Soo's neighbor] (Ep. 8)Guest Role
- Kwon Chan Min[Duk Yong's neighbor] (Ep. 8)Guest Role
- Kim Kye Hyung[Pioneer corps member] (Ep. 8)Guest Role
- Myung Jae Hwan[Prosecutor's investigator] (Ep. 8)Guest Role
- Kim Yoon JooPark Bok Soon (Ep. 9)Guest Role
- Min Eung ShikJung Byung Pil (Ep. 9)Guest Role
- Yoo Byung SooKim Sung Hoon (Ep. 9)Guest Role
- Ahn Jung Ho[Reporter] (Ep. 9)Guest Role
- Kim Sa Hun[Reporter] (Ep. 9)Guest Role
- Jang Joon Young[Reporter] (Ep. 9)Guest Role
- Kim Chae Won[Jung Gil's mom] (Ep. 9)Guest Role
- Choi Jae Sub[Factory manager] (Ep. 9)Guest Role
- Park Hee Eun[Soon Jung's mom] (Ep. 9)Guest Role
- Yang Hee Woo[Mokryeongak staff] (Ep. 9)Guest Role
- Kim Jung Hwa[Magnolia's president] (Ep. 9)Guest Role
- Song Kyung Chul[Criminal] [Older] (Ep. 10)Guest Role
- Lee Kye In[Criminal] [Older] (Ep. 10)Guest Role
- Yoo Kyung HoonLee Jung BumGuest Role
- Lee Bong JoonJung Hee SungGuest Role
- Do WooNam Sung Hoon [Police officer]Guest Role
- Kim MinNam Jung Gil [Jongnam four member]Guest Role
- Kim Tae JungKwon Hyung Geun [Jongnam four member]Guest Role
- Lee Joo Hyung[Gambler]Guest Role
- Koo Min Hyuk[Shop owner]Guest Role
- Jung Chung Gu[Rice shop owner]Guest Role
- Jung Hee Young[Restaurant owner]Guest Role
- Park Geun Hyung Guest Role
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