Voice

Composer

• 
  Gaemi

Director

• 
  Kim Hong Seon

Screenwriter

• 
  Ma Jin Won

Main Role

• 
  Jang Hyuk

  Moo Jin Hyeok

  Main Role
• 
  Lee Ha Na

  Kang Gwon Ju

  Main Role

Support Role

• 
  Baek Chun Ki

  Kim Pyung Joong

  Support Role
• 
  Ye Sung

  Oh Hyun Ho [Golden Time team]

  Support Role
• 
  Son Eun Seo

  Park Eun Soo [Golden Time team]

  Support Role
• 
  Kim Jae Uck

  Mo Tae Goo

  Support Role
• 
  Kim Roi Ha

  Nam Sang Tae

  Support Role
• 
  Song Boo Geon

  Goo Gwang Soo

  Support Role
• 
  Kim Joong Ki

  Park Joong Ki

  Support Role
• 
  Lee Do Kyung

  Mo Gi Beom [Tae Goo's father]

  Support Role
• 
  Baek Sung Hyun

  Sim Dae Sik [Golden Time team]

  Support Role
• 
  Kook Ki Hoon

  Han Da Woon [Golden Time team]

  Support Role
• 
  Gong Jae Won

  Kim Ki Ho [Golden Time team]

  Support Role
• 
  Kwon Jae Hwan

  Cheon Sang Pil [Golden Time team]

  Support Role
• 
  Yi Chae Woon

  Roh Soo Jung [Golden Time team]

  Support Role
• 
  Sung Chang Hoon

  Cho Sang Won [Golden Time, 112 Report Ctr]

  Support Role
• 
  Lee Hae Young

  Jang Gyeong Hak [Violent Crime unit chief]

  Support Role
• 
  Kang Min Tae

  Lee Sang Goo [Sang Tae's subordinate]

  Support Role
• 
  Jo Yeong Jin

  Bae Byeong Gon [Police commissioner]

  Support Role
• 
  Baek In Joo Support Role

Guest Role

• 
  Hwang Sang Kyung

  Ko Dong Chul [Suspect in Ji Hye's murder] (Ep. 1)

  Guest Role
• 
  Jo Jae Yun

  [Gangster] (Ep. 1)

  Guest Role
• 
  Lee Joon Hyuk

  [Pimp] (Ep. 1)

  Guest Role
• 
  Hong Seo Joon

  [Prosecutor] (Ep. 1)

  Guest Role
• 
  Kim Tae Han

  Jo Kang Chun [Kidnapper] (Ep. 1-2)

  Guest Role
• 
  Jeon Soo Jin

  Park Bok Nim [Kidnapped victim] (Ep. 1-2)

  Guest Role
• 
  Park Hyo Jun

  [Police officer] (Ep. 1-2)

  Guest Role
• 
  Lee Woo Shin

  [Judge] (Ep. 1, 3)

  Guest Role
• 
  Oh Yeon Ah

  Heo Ji Hye [Jin Hyeok's wife] (Ep. 1, 3-4, 11-14)

  Guest Role
• 
  Hong Boo Hyang

  [Bok Nim's mother] (Ep. 2)

  Guest Role
• 
  Kim Ji An

  [Soo Jin's daughter] (Ep. 2-3)

  Guest Role
• 
  Bae Jung Hwa

  Oh Soo Jin [Burim case] (Ep. 2-3)

  Guest Role
• 
  Choi Seung Hoon

  Son A Ram [Burim victim] (Ep. 2-3)

  Guest Role
• 
  Kwon Byung Gil

  Baek Sung Hak [Burim security guard] (Ep. 2-3)

  Guest Role
• 
  Son Jong Hak

  Kang Gook Hwan [Kwon Joo's father] (Ep. 3)

  Guest Role
• 
  Cho Yu Ha

  Oh Soo Jin [Child] (Ep. 3)

  Guest Role
• 
  Carson Allen

  [Woman retrieving purse] (Ep. 4)

  Guest Role
• 
  Kim Ik Tae

  [Forensic doctor] (Ep. 4)

  Guest Role
• 
  Gyeol Hwi

  Ggaldaegi (Ep. 4-5)

  Guest Role
• 
  Han Sa Myung

  Min Ji Seok (Ep. 4-5)

  Guest Role
• 
  Lee Ju Seung

  Hwang Kyung Il (Ep. 4-6)

  Guest Role
• 
  Han Bo Bae

  Park Eun Byeol (Ep. 4-6)

  Guest Role
• 
  Kim Ji Hoon

  Woo Bong Gil (Ep. 4-6)

  Guest Role
• 
  Jung Joon Won

  Hwang Kyung Il [Young] (Ep. 4-6)

  Guest Role
• 
  Jang Ga Hyun

  Kim Soo Ja (Ep. 5)

  Guest Role
• 
  Lee Gyu Bok

  Dochungi (Ep. 5)

  Guest Role
• 
  Park Eun Young

  Park Mal Nyeon (Ep. 6)

  Guest Role
• 
  Jung Myung Joon

  [Attorney] (Ep. 6)

  Guest Role
• 
  Lee Gyu Sub

  [Broker] (Ep. 6)

  Guest Role
• 
  Lee Yong Nyeo

  Park Bok Soon / Shim Choon Ok [Surim case] (Ep. 6-8)

  Guest Role
• 
  Yoon Kyung Ho

  Yun Pil Bae (Ep. 6-8)

  Guest Role
• 
  Yoon Ji Min

  Jang Gyu A [Fantasia Night Club manager] (Ep. 6, 10)

  Guest Role
• 
  Choi Min Geum

  Shim Choon Ok (Ep. 7)

  Guest Role
• 
  Lee Jae Eun

  [Surim neighborhood resident] (Ep. 7)

  Guest Role
• 
  Lee Kwan Hoon

  Mokttagi (Ep. 7)

  Guest Role
• 
  Lee Moo Nyoung

  [Fake doctor] (Ep. 7)

  Guest Role
• 
  Choi Ki Seob

  Tabloid (Ep. 7)

  Guest Role
• 
  Shin Seung Hwan

  Shim Young Woon (Ep. 7-8)

  Guest Role
• 
  Kim Jong Ho

  [Motel clerk] (Ep. 8)

  Guest Role
• 
  Yoo Byung Sun

  [Car driver] (Ep. 8)

  Guest Role
• 
  Kim Sang Il

  [Forensics investigator] (Ep. 8, 13)

  Guest Role
• 
  Kim Yoon Ah

  [Club DJ] (Ep. 9)

  Guest Role
• 
  Kim Ho Young

  Yang Ho Sik (Ep. 9-10)

  Guest Role
• 
  Kang Ro Chae

  Soo Ji (Ep. 10)

  Guest Role
• 
  Park Jin Soo

  [Police officer] (Ep. 10)

  Guest Role
• 
  Han Geu Rim

  [Nurse] (Ep. 10)

  Guest Role
• 
  Hong Seung Jin

  [Ghost] (Ep. 10-11)

  Guest Role
• 
  Yoo Sang Jae

  [Hospital security staff] (Ep. 11)

  Guest Role
• 
  Jang Tae Min

  [Gold Currency Exchange owner] (Ep. 11)

  Guest Role
• 
  Jo Wan Ki

  Kim Kyu Hwan (Ep. 11-12)

  Guest Role
• 
  Yeo Moo Young

  Byun Sang An / Kang Hyun Pal (Ep. 11-12)

  Guest Role
• 
  Hong Sung Duk

  Baek Jin Goo (Ep. 11-12)

  Guest Role
• 
  Lee Sang Hong

  Choi Goo Sung (Ep. 11-12)

  Guest Role
• 
  Lee Tae Geom

  Yang Min Nam (Ep. 11-12)

  Guest Role
• 
  Lee Na Yoon

  Sae Bom [Homeless girl] (Ep. 11-12)

  Guest Role
• 
  Lee Chae Kyung

  Do Mi Young (Ep. 12)

  Guest Role
• 
  Kim Nam Jin

  [Jin Goo's wife] (Ep. 12)

  Guest Role
• 
  Shin Soo Oh

  Gong Cheol Han (Ep. 12-13)

  Guest Role
• 
  Park Yong

  [Police officer] (Ep. 13)

  Guest Role
• 
  Jang Joon Ho

  [Police officer] (Ep. 13)

  Guest Role
• 
  Kwon Oh Jin

  [Sang Tae's father] (Ep. 13, 16)

  Guest Role
• 
  Kim Geon Ho

  Kim Gun Ho [Sungwun Express employee] (Ep. 14)

  Guest Role
• 
  Min Jung Sup

  Jung Chul Ho (Ep. 14-15)

  Guest Role
• 
  Oh Cho Hee

  Na Jung Eun (Ep. 14-15)

  Guest Role
• 
  Park Noh Shik

  Park Jong U [Sungwun Express] (Ep. 14-15)

  Guest Role
• 
  Park Jong Sang

  Shim Chang Soo (Ep. 14-15)

  Guest Role
• 
  Kim Hyun

  Im Mi Ho (Ep. 14-15)

  Guest Role
• 
  Heo Seon Haeng

  [Doctor] (Ep. 15)

  Guest Role
• 
  Park Kyung Soon

  [Mental hospital nurse] (Ep. 16)

  Guest Role
• 
  Kim Kwon

  [Mental hospital doctor] (Ep. 16)

  Guest Role
• 
  Jung Hyun Seok

  [Dae Sik's doctor] (Ep. 16)

  Guest Role
• 
  Kim Il Hyun

  [Police officer] (Ep. 16)

  Guest Role
• 
  Lee Shi Woo

  Moo Dong Woo [Jin Hyuk's son]

  Guest Role
• 
  Kim Yong Woon

  Ji Choon Bae

  Guest Role
• 
  Kang Moon Kyung

  Kim Joon Tae

  Guest Role
• 
  Kim Myung Kook

  Cha Myung Chul

  Guest Role
• 
  Song Young Gyu

  Park Yeon Cheol [Prosecutor]

  Guest Role
• 
  Kim Jong Yoon

  Nam Sang Tae [Young]

  Guest Role
• 
  Song Sung Han

  Mo Tae Goo [Young]

  Guest Role
• 
  Seo Hyun Bin

  Lee Na Rae (Ep. 9)

  Guest Role
• 
  Lee Ah Jin

  [Gi Beom's wife]

  Guest Role
• 
  Lee Ju Sil

  [Restaurant owner]

  Guest Role
• 
  Ham Jin Sung

  [Private paramedic]

  Guest Role
• 
  Seon Yul U

  [Detective]

  Guest Role
• 
  Jang Won Young

  Kwon Chang Tae

  Guest Role
• 
  Lee Joo Won

  Hwang Ji Uk

  Guest Role
• 
  Seo Ho Chul

  Go Dong Cheol

  Guest Role
• 
  Ki Se Hyung

  [Sang Tae's subordinate]

  Guest Role
• 
  Lee Jae Won

  Secretary Kim [Sungwun Express]

  Guest Role
• 
  Kang Sang Chul

  [Fantasia Bar security staff]

  Guest Role
• 
  Jo Ki Tae

  [Golden Time team dispatcher]

  Guest Role

Unknown

• 
  Lee Sun Goo Unknown
• 
  Kim Kwang Hyun Unknown
• 
  Kim So Woon Unknown
• 
  Han Joo Young Unknown
• 
  Jung Ik Han Unknown