Composer
Director
Screenwriter
Main Role
- Son Hyun JooKang Do ChangMain Role
- Jang Seung Jo Main Role
- Lee Elijah Main Role
- Oh Jung SeOh Jong TaeMain Role
- Ji Seung HyunYoo Jung SeokMain Role
Support Role
- Son Jong HakMoon Sang BeomSupport Role
- Jo Hee BongWoo Bong Shik [Detective]Support Role
- Shin Dong MiYoon Sang Mi [Investigator]Support Role
- Yang Hyun MinNam Gook Hyun [Detective]Support Role
- Cha Rae HyungKwon Jae Hong [Detective]Support Role
- Kim Ji HoonByun Ji Woong [Detective]Support Role
- Jung Soon WonJi Man Goo [Detective]Support Role
- Kim Myung JoonShim Dong Wook [Detective]Support Role
- Baek Eun HyeKang Eun Hee [Do Chang's sister]Support Role
- Son Byung HoKim Gi TaeSupport Role
- Jo Jae RyongJo Sung DaeSupport Role
- Jo Seung YunYoo Jung Ryul [Jung Seok's elder brother]Support Role
- Jo Jae YoonLee Dae ChulSupport Role
- Yoon Dae YeolChoi Woo JinSupport Role
- Lee Sang WoonSong Gwang HeeSupport Role
- Park Jung MinGo Gyung HoSupport Role
- Kim Ryeo EunYoon Ji SunSupport Role
- Lee Ha EunLee Eun HyeSupport Role
- Shin Jae Hoon['Junghan Daily News' reporter]Support Role
Guest Role
- Kim Si EunLee Eun Hye [Young] (Ep. 1)Guest Role
- Ahn Shi HaJung Yoo Seon [Jin Soo's wife] (Ep. 1, 3, 7-8, 10)Guest Role
- Cheon Young MinJang Yoo Na (Ep. 1-2, 6-7)Guest Role
- Lee Hyun WookPark Geon Ho [Missionary] (Ep. 1-4)Guest Role
- Yoon Bok Sung[Judge] (Ep. 1)Guest Role
- Kim Seung Tae[Minister of Justice] (Ep. 1, 9, 11)Guest Role
- Shin Jung YoonReporter Seo (Ep. 2)Guest Role
- Shin Jae HwiPark Hong Doo (Ep. 2, 6-7)Guest Role
- Shin Hee Gook[Cashier] (Ep. 2)Guest Role
- Lee Seung JoonLee Han Joo [Prison guard] (Ep. 3, 5, 7)Guest Role
- Heo WoongShin Geun Ho (Ep. 3, 10)Guest Role
- Baek Jong Hwan[Distribution center employee] (Ep. 3)Guest Role
- Yang Hee WonJae Woong [Eun Hee's son] (Ep. 4, 9, 11, 14. 16)Guest Role
- Son Seung Hun[Video forensics] (Ep. 4-5)Guest Role
- Lee Yu Jin[Sung Dae's secretary] (Ep. 4)Guest Role
- Park Ji Hwan[Eun Hee's ex-husband] (Ep. 4, 14, 16)Guest Role
- Kim Seung HanOh Ji Hyuk [Young] (Ep. 5)Guest Role
- Jung HwanGo Joon Sup (Ep. 5, 8)Guest Role
- Lee Seung HunSo Jae Sub [Attorney] (Ep. 5-7)Guest Role
- Kim Sun Kyung[Ji Hyuk's mother] (Ep. 5)Guest Role
- Woo Kang MinJoo Dong Pal (Ep. 6)Guest Role
- Jung Ji HoJung Ki Moon [Reporter] (Ep. 6, 10)Guest Role
- Baek In Kwon[Prisoner] (Ep. 6-7)Guest Role
- Song Yo SepPark Dong Chul (Ep. 7)Guest Role
- Hwang Tae KwangJang Jin Soo (Ep. 7, 10, 13, 15-16)Guest Role
- Lee Do GukJung San Il [Prosecutor] (Ep. 7-8, 16)Guest Role
- Kim Byung Soon[Judge] (Ep. 7)Guest Role
- Kang Hak Soo[Judiciary committee] (Ep. 7)Guest Role
- Yong Jin[Police officer] (Ep. 9)Guest Role
- Kim Tae HoonPark Joon Young (Ep. 12)Guest Role
- Oh Kyu Taek[Gawol church pastor] (Ep. 13)Guest Role
- Park Kyung GeunJin Sung Hwan (Ep. 14)Guest Role
- Lee Gyu Ho[Gang boss] (Ep. 14]Guest Role
- Kim Sung Yong[Attorney] (Ep.16)Guest Role
- Kwon Oh JinPark Jun Sung (Ep. 15-16)Guest Role
- Richard Kim[Auction VIP]Guest Role
- Han Myung Chul[Victim's family) (Ep. 1)Guest Role
- Woo Young Nam[Police officer] (Ep. 12)Guest Role
- Nam Hee SooLee Se Jin [Dispatcher] (Ep. 1)Guest Role
- Ko Dong Hyoung[Violent Crimes Team 1]Guest Role
- Dok Ko Kwang[Hong Doo's group] (Ep. 6)Guest Role
- Kang Ji Hoon[TV reporter] (Ep. 2)Guest Role
- Yang Ji Woo[Playground kid]Guest Role
- Park Byung Wook[Apt. security guard] (Ep. 8)Guest Role
- Jo JoonJo Byung Gil (Ep. 1,3)Guest Role
- Lee Young Shil[Gook Hyun's relative] (Ep. 12)Guest Role
- Seo Sang Won[Paramedic]Guest Role
- Kwon Ji Hwan[Police officer] (Ep. 3)Guest Role
- Yoo Byung Sun[Wrecking yard employee] (Ep.12)Guest Role
- Jang Woo YeonYoon Ji Sun's Roommate (Ep. 4, 7)Guest Role
- Kim Sung Joon[Auction bidder] (Ep. 1)Guest Role
- Ma Jung PilNam Sung Han [Secretary] (Ep. 2, 14)Guest Role
- Jung TakYoo Jung Seok [Young] (Ep. 11)Guest Role
Unknown
- Lee Sang Hoon Unknown
- Park Jin Soo Unknown
- Park Tae Jin Unknown
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