Adamas

Chief Producer

• 
  Lee Ki Hyuk

Director

• 
  Park Seung Woo

Screenwriter

• 
  Choi Tae Gang

Main Role

• 
  Ji Sung

  Ha U Sin | Song Su Hyeon

  Main Role
• 
  Seo Ji Hye

  Eun Hye Su

  Main Role
• 
  Lee Soo Kyung

  Kim Seo Hui

  Main Role

Support Role

• 
  Heo Sung Tae

  Choi Tae Seong [General manager of security at Haesong Mansion]

  Support Role
• 
  Oh Dae Hwan

  Lee Jun Gyeong [Team A leader]

  Support Role
• 
  Lee Kyung Young

  Kwon Jae Gyu [Haesong Group chairman]

  Support Role
• 
  Hwang Jung Min

  Kwon Sun Hui [Haesong Mansion butler]

  Support Role
• 
  Choi Duk Moon

  Kang Hyeok Pil [Special police investigation team head]

  Support Role
• 
  Seo Hyeon Woo

  Kwon Hyeon Jo [Haesong Group CEO / Chairman Kwon's son / Hye Su's husband]

  Support Role
• 
  Shin Hyun Seung

  Lee Dong Rim [U Sin's student]

  Support Role
• 
  Lee Shi Won

  Yun Jin [Chairman Kwon's secretary]

  Support Role
• 
  Woo Hyun Joo

  Mrs. O [Haesong Mansion head maid]

  Support Role
• 
  Go Yoon

  Park Jae Han [Haesong Mansion security guard]

  Support Role
• 
  Choi Chan Ho

  Kim Hyeon U [Haesong Mansion security guard]

  Support Role
• 
  Park Hae Eun

  Seon / Yun Seon [Team A Ace / Secretary Yun's younger sister]

  Support Role
• 
  Lee Ho Chul

  Manager Jung [Team A's second-in-command]

  Support Role
• 
  Jang Jin Hee

  Lee Hyeon Jung [Special Investigation agent]

  Support Role
• 
  Won Tae Min

  Mr. Han [Special Investigation agent]

  Support Role
• 
  Kim Jong Gu

  Hwang Byeong Cheol [President candidate]

  Support Role
• 
  Im Byung Ki

  Eun Gyeong Gyu [Eunkook Hospital director / Hye Su's father]

  Support Role
• 
  Cho Seong Ha

  Lee Chang U [Convicted murderer]

  Support Role
• 
  Ko Kyu Pil

  Kong Dae Cheol [Prosecutor investigator]

  Support Role
• 
  Kang Hak Soo

  Chief Yang [Prosecutor office]

  Support Role
• 
  Han Sa Myung

  Agent Cha [Team A agent]

  Support Role
• 
  Min Eung Shik

  [Prosecutor office deputy head]

  Support Role

Guest Role

• 
  Jung Ji Hwan

  Lee Min Hyeong [Haesong Mansion security guard] (Ep. 1)

  Guest Role
• 
  Jung Mi Kyung

  [Byeong Cheol's supporter] (Ep. 1)

  Guest Role
• 
  Kim Ho

  [News program host] (Ep. 1)

  Guest Role
• 
  Shim Young Min

  [Taxi driver] (Ep. 1)

  Guest Role
• 
  Lee Dong Gyu

  [TNC anchorman] (Ep. 1)

  Guest Role
• 
  Yook Mi Ra

  [News program analyst] (Ep. 1)

  Guest Role
• 
  Seo Dong Gyu

  (Ep. 1)

  Guest Role
• 
  Jo Dong In

  Lee Jun Ho [Team A mgr. / Team leader Lee's brother] (Ep. 1-6)

  Guest Role
• 
  Jeon Young Mi

  Yeo Su Jeong [Eden Bookhouse] (Ep. 1, 7)

  Guest Role
• 
  Jo Hyun Woo

  Song Sun Ho [U Sin and Su Hyeon's stepfather] (Ep. 1-2, 4, 13)

  Guest Role
• 
  Lee Kang Wook

  [Prison guard] (Ep. 1, 13)

  Guest Role
• 
  Kim Do Yoon

  Ko Cheol Min [Patrol car policeman] (Ep. 1, 4, 13-14)

  Guest Role
• 
  Kim Seo A

  Kim Seo Hui [Young] (Ep. 2-3)

  Guest Role
• 
  Kim Jung Ho

  Kim Won Jung (Ep. 2-3)

  Guest Role
• 
  Kim Joo Ah

  Im Ji Suk (Ep. 2-3)

  Guest Role
• 
  Heo Tae Hee

  Han Min Su [Prosecutor] (Ep. 2-9)

  Guest Role
• 
  Yun Yu Sun

  Ha Yeong Sin [U Sin & Soo Hyun's mother] (Ep. 2, 4, 6, 8, 13)

  Guest Role
• 
  Park Chul Min

  [Anchorman] (Ep. 2, 15)

  Guest Role
• 
  Park Seung Chan

  Jung Hyo Gun [TNC director] (Ep. 2, 16)

  Guest Role
• 
  Yoon Seo Yeon

  Eun Hye Su [Young] (Ep. 3)

  Guest Role
• 
  Ha Min

  [Dong Rim's mother] (Ep. 3-4)

  Guest Role
• 
  Moon Hak Jin

  [Sketch artist] (Ep. 3-4)

  Guest Role
• 
  Oh Han Kyul

  Kwon Min Jo [Young] (Ep. 3, 11)

  Guest Role
• 
  Oh Ja Hun

  Ha U Sin | Song Su Hyeon [Young] (Ep. 4, 6, 13)

  Guest Role
• 
  Baek Na Gyeong

  [Haesong Mansion maid] (Ep. 4, 7, 13)

  Guest Role
• 
  Jin Tae Yeon

  Jang Yeong Ja (Ep. 5-6, 8-9)

  Guest Role
• 
  Park Gi Seon

  [Doctor] (Ep. 6)

  Guest Role
• 
  Jung Sun Chul

  [Chairman Kwon's father] (Ep. 7)

  Guest Role
• 
  Lee Ji Yun

  Kwon Seon Hui [Young] (Ep. 7)

  Guest Role
• 
  Heo Yoo Ri

  Ms. Lee [Eden Bookhouse] (Ep. 7)

  Guest Role
• 
  Lee Do Yeop

  Mr. Baek [Special agent] (Ep. 7-9)

  Guest Role
• 
  Jo Han Joon

  [Special Investigation agent] (Ep. 7, 10-11, 14-15)

  Guest Role
• 
  Kwon Hyuk Soo

  [Haesong Group executive] (Ep. 8)

  Guest Role
• 
  Lee Jong Goo

  [Haesong Group executive] (Ep. 8)

  Guest Role
• 
  Kim In Kwon

  [Prison guard] (Ep. 8)

  Guest Role
• 
  Yang Heung Joo

  Jeon Byeong Gyu [Prison warden] (Ep. 8)

  Guest Role
• 
  Yong Jin

  [Police detective] (Ep. 8)

  Guest Role
• 
  Ahn Bo Hyun

  Kim Min Jo [Chairman Kwon's second son / Hye Soo's lover] (Ep. 8)

  Guest Role
• 
  Jung Young Hoon

  [Team A agent] (Ep. 8-9)

  Guest Role
• 
  Kim Bi Bi

  Lee Mi Yeong [Haesong Group, ARES team leader] (Ep. 9)

  Guest Role
• 
  Kang Jung Hyuk

  [Taxi driver] (Ep. 9)

  Guest Role
• 
  Park Ki Ryung

  Kim Geon Ho [Haesong Group, ARES CEO] (Ep. 9, 13)

  Guest Role
• 
  Kim Ji Su

  Lee Min Yeong (Ep. 10)

  Guest Role
• 
  Choi Da Yeong

  Ms. Cho (Ep. 10)

  Guest Role
• 
  Jang Eui Don

  Jang Eui Don (Ep. 10)

  Guest Role
• 
  Kim Hye Won

  [Prosecutors' Office staff] (Ep. 10)

  Guest Role
• 
  Jeon Kwang Jin

  [Bomb squad captain] (Ep. 11)

  Guest Role
• 
  Oh Ki Hwan

  [Bomb technician] (Ep. 11)

  Guest Role
• 
  Song Hyung Soo

  [Jeweler] (Ep. 11)

  Guest Role
• 
  Ok Chae Hoon

  Kwon Hyeon Jo [Young] (Ep. 11)

  Guest Role
• 
  Park Ji Ho

  [Byeong Cheol's aide] (Ep. 12)

  Guest Role
• 
  Kim Hye Ran

  [Reporter] (Ep. 12)

  Guest Role
• 
  Jang Tae Min

  [Police detective] (Ep. 12-13)

  Guest Role
• 
  Park Eun Young

  [Toy store owner] (Ep. 13)

  Guest Role
• 
  Kim Sun Ik

  [Anchorman] (Ep. 13)

  Guest Role
• 
  Kim Sang Il

  [Eunkook Medical Center executive] (Ep. 13)

  Guest Role
• 
  Choi Moo In

  Im Deok Su [Killer] (Ep. 13)

  Guest Role
• 
  Lim Dong Yoon

  [Doctor] (Ep. 14-15)

  Guest Role
• 
  Lee Ye Seo

  Yun Jin [Young] (Ep. 14, 16)

  Guest Role
• 
  Lee Hyo Bi

  Yun Seon [Young] (Ep. 14, 16)

  Guest Role
• 
  Kim Jung Soo

  [Haesong Group Mgmt. Support Dept.] (Ep. 15)

  Guest Role
• 
  Lee Seung Joon

  [Haesong Group Mgmt. Support Dept.] (Ep. 15)

  Guest Role
• 
  Eom Ji Man

  [Police detective] (Ep. 15)

  Guest Role
• 
  Hwang Jung Yoon

  [Reporter] (Ep. 15)

  Guest Role
• 
  Shin Na Ra

  [Police transport officer] (Ep. 16)

  Guest Role
• 
  Lee Sun Young

  [TNC staff] (Ep. 16)

  Guest Role
• 
  Hwang Jin Hwan

  Hwang Jin Hwan [Haesong Mansion security guard]

  Guest Role
• 
  Kwon Hyun Hee

  [Maid]

  Guest Role

Unknown

• 
  Kim Geun Yeong Unknown