Moving

Art Director

• 
  Chae Kyung Sun

Cinematography

• 
  Lee Hyeong Deok

Composer

• 
  Dalpalan

Director

• 
  Park In Je

Editor

• 
  Kim Chang Ju

Screenwriter

• 
  Kang Full

Main Role

• 
  Ryu Seung Ryong

  Jang Ju Won

  Main Role
• 
  Han Hyo Joo

  Lee Mi Hyeon

  Main Role
• 
  Zo In Sung

  Kim Du Sik

  Main Role
• 
  Cha Tae Hyun

  Jeon Gye Do

  Main Role
• 
  Ryu Seung Beom

  Frank

  Main Role
• 
  Kim Sung Kyun

  Lee Jae Man

  Main Role
• 
  Kim Hee Won

  Choi Il Hwan

  Main Role
• 
  Moon Sung Keun

  Min Yong Jun

  Main Role
• 
  Lee Jung Ha

  Kim Bong Seok

  Main Role
• 
  Go Youn Jung

  Jang Hui Su

  Main Role
• 
  Kim Do Hoon

  Lee Gang Hun

  Main Role

Support Role

• 
  Park Hee Soon

  Kim Deok Yun

  Support Role
• 
  Kim Shin Rok

  Yeo Un Gyu

  Support Role
• 
  Shin Jae Hwi

  Bang Gi Su [Jeongwon High School student]

  Support Role
• 
  Park Han Sol

  Han Byeol [Jeongwon High School student]

  Support Role
• 
  Kim Jong Soo

  Hwang Ji Sung

  Support Role
• 
  Yoo Seung Mok

  Cho Rae Hyeok [Jeongwon High School principal]

  Support Role
• 
  Yang Dong Geun

  Jung Jun Hwa [North Korean Army]

  Support Role
• 
  Jo Bok Rae

  Park Chan Il [North Korean Army]

  Support Role
• 
  Kim Da Hyun

  Bae Jae Hak [North Korean Army]

  Support Role
• 
  Son Byung Ho

  [North Korean security department chief]

  Support Role
• 
  Yoon Sa Bong

  [Jeongwon High School custodian]

  Support Role

Guest Role

• 
  Baek Hyun Jin

  Jung Sang Jin / Jincheon (Ep. 1, 12-13)

  Guest Role
• 
  Jeon Seok Ho

  Yun Seong Uk (Ep. 1, 6-7, 15-17)

  Guest Role
• 
  Park Si Won

  Kim Tae Hyun (Ep. 2)

  Guest Role
• 
  Han Chang Min

  Kim Bong Seok [9 years old] (Ep. 2)

  Guest Role
• 
  Min Ji Ah

  [Kim Bong Seok's elementary school teacher] (Ep. 2)

  Guest Role
• 
  Jang Yoo

  [Barn owner] (Ep. 2)

  Guest Role
• 
  Kang Sook

  [School uniform store owner] (Ep. 2)

  Guest Role
• 
  Choi Deok Moon

  Jeon Yeong Seok / Bongpyeong (Ep. 2, 6, 12-13)

  Guest Role
• 
  Hwang Jung Min

  [Butcher shop owner] (Ep. 2, 20)

  Guest Role
• 
  Son Bo Seung

  [Butcher's son] (Ep. 2-3, 20)

  Guest Role
• 
  Moon Byung Joo

  [Namsan Donkatsu customer] (Ep. 3)

  Guest Role
• 
  Hwang Jae Hoon

  [Namsam Donkatsu customer] (Ep. 3)

  Guest Role
• 
  Han Sang Kyung

  [Tattoo man's friend] (Ep. 4)

  Guest Role
• 
  Bang Byung Hyun

  [Tattoo man's friend] (Ep. 4)

  Guest Role
• 
  Yoon Jin Young

  [Tattoo man] (Ep. 4-6)

  Guest Role
• 
  Kim Kuk Hee

  Hong Sung Hwa / Naju (Ep. 4, 12-13, 16)

  Guest Role
• 
  Seo Yi Ra

  Seo Yu Ra (Ep. 5)

  Guest Role
• 
  Kang Chae Young

  [Seo Yu Ra's friend] (Ep. 5)

  Guest Role
• 
  Park Sol Ji

  [Yu Ra's friend] (Ep. 5)

  Guest Role
• 
  Lee Suk Hyeong

  [Class president] (Ep. 5)

  Guest Role
• 
  Song Deok Ho

  [Seo Yu Ra's boyfriend] (Ep. 5)

  Guest Role
• 
  Park Su A

  Jang Hui Su (Ep. 5, 13-14)

  Guest Role
• 
  Lee Ho Jung

  Yang Se Eun (Ep. 5, 16)

  Guest Role
• 
  Hong Xa Bin

  [Hong Sung Hwa's son] (Ep. 5, 16)

  Guest Role
• 
  Shim Dal Gi

  Sin Hye Won (Ep. 5-7, 20)

  Guest Role
• 
  Kwak Sun Young

  Hwang Ji Hui (Ep. 5, 10-11, 13-15, 18, 20)

  Guest Role
• 
  Kim Jun

  Jeon Gye Do [Child] (Ep. 6)

  Guest Role
• 
  Lee Shi Hoo

  Kwon Jin Hyeon [PD] (Ep. 6)

  Guest Role
• 
  Choi Yoon Bin

  [Assistant director] (Ep. 6)

  Guest Role
• 
  Kim Kwan Jang

  [Audio director] (EP. 6)

  Guest Role
• 
  Lee Soon Poong

  [Bungaeman audition judge] (Ep. 6)

  Guest Role
• 
  Yoo Soo Ho

  Mario (Ep. 6)

  Guest Role
• 
  Kim Tae Yul

  Frank [Child] (Ep. 6-7)

  Guest Role
• 
  Daniel C. Kennedy

  Mark (Ep. 6-7, 13, 20)

  Guest Role
• 
  Lee Dong Yong

  Dong Yong (Ep. 6, 17, 20)

  Guest Role
• 
  Foster Burden

  [Sergeant] (Ep. 7)

  Guest Role
• 
  Cho Won U

  Won U (Ep. 8)

  Guest Role
• 
  Jo Jae Wan

  [Pilot] (Ep. 8)

  Guest Role
• 
  Jo Jin Kyul

  [Co-pilot] (Ep. 8)

  Guest Role
• 
  Park Kyung Hye

  [NIS employee] (Ep. 8)

  Guest Role
• 
  No Hyung Won

  [Double informant] (Ep. 8)

  Guest Role
• 
  Lee Han Sol

  [Double informant] (Ep. 8)

  Guest Role
• 
  Sung Yul Suk

  [Double informant] (Ep. 8)

  Guest Role
• 
  Ryu Je Seung

  [Hotel staff] (Ep. 8)

  Guest Role
• 
  Ryu Seung Moo

  [Won U's father] (Ep. 8)

  Guest Role
• 
  Lee Hae Seon

  [Won U's mother] (Ep. 8)

  Guest Role
• 
  Kwon Han Sol

  Ms. Kim [Secretary] (Ep. 8-9, 12)

  Guest Role
• 
  Park Byung Eun

  Ma Sang Gu [Agent] (Ep. 8, 12, 18, 20)

  Guest Role
• 
  Lee Dong Chan

  Lee Hae Song [Mi Hyun's father] (Ep. 9)

  Guest Role
• 
  Seo Suk Gyu

  [Shooting instructor] (Ep. 9)

  Guest Role
• 
  Won Chun Gyu

  [Internal Affairs director] (Ep. 9)

  Guest Role
• 
  Park Ok Chool

  [NIS North Korea Intelligence chief] (Ep. 9)

  Guest Role
• 
  Lee Yoon Hee

  [Security guard] (Ep. 9, 20)

  Guest Role
• 
  Park Sung Il

  Jeon Jae Sung (Ep. 10)

  Guest Role
• 
  Moon Jung Dae

  Kim Gwang Jin [Pohang boss] (Ep. 10)

  Guest Role
• 
  Ryu Kyung Hwan

  [Motorist] (Ep. 10)

  Guest Role
• 
  Park Jong Bum

  [Nightclub waiter] (Ep. 10)

  Guest Role
• 
  Kim Yoon Sung

  Batta (Ep. 10-11)

  Guest Role
• 
  Im Sung Jae

  Bae Min Gi (Ep. 10-11)

  Guest Role
• 
  Baek Joo Hee

  [Motel Plus's owner] (Ep. 10-11)

  Guest Role
• 
  Han Yi Jin

  [Room 403’s gambler] (Ep. 10-11)

  Guest Role
• 
  Kim Jin Uk

  [Gang member] (Ep. 10-11)

  Guest Role
• 
  Park Joon Hwan

  [Praying family father] (Ep. 11)

  Guest Role
• 
  Kim Deok Ju

  [Patient] (Ep. 11)

  Guest Role
• 
  Lee Jae Seong

  [Gangster] (Ep. 11)

  Guest Role
• 
  Kim Tae Young

  [Umji Coffee worker] (Ep. 11)

  Guest Role
• 
  Kim Mi Ran

  [Umji Coffee madam] (Ep. 11)

  Guest Role
• 
  Yoon Dae Yeol

  [Boss of Incheon’s Nolgae gang] (Ep. 11)

  Guest Role
• 
  Park Jeong Min

  Dr. Kang (Ep. 12)

  Guest Role
• 
  Lee Jung Min

  Kim Bong Seok [Child] (Ep. 12)

  Guest Role
• 
  Andreas Fronk

  [Russian agent] (Ep. 12)

  Guest Role
• 
  Ham Tae In

  [North Korean agent] (Ep. 12)

  Guest Role
• 
  Ju A

  [Policy research staff] (Ep. 12)

  Guest Role
• 
  Ahn Doo Ho

  [National Policy Research Institute team leader] (Ep. 12)

  Guest Role
• 
  Ahn Hyeon Bin

  [Civil servant] (Ep. 13)

  Guest Role
• 
  Han Dong Won

  [Special agent] (Ep. 13)

  Guest Role
• 
  Shin Hee Chul

  [Emergency room doctor] (Ep. 13)

  Guest Role
• 
  Im Hyung Joon

  [NIS search service agent] (Ep. 13)

  Guest Role
• 
  Han Sa Myung

  [Soldier] (Ep. 13, 16)

  Guest Role
• 
  Jung Young Sub

  [Company commander] (Ep. 13, 16)

  Guest Role
• 
  Seo Mun Ho

  Mr. Park (Ep. 14)

  Guest Role
• 
  Maeng Bong Hak

  Mr. Choi (Ep. 14)

  Guest Role
• 
  Lee Ju Mi

  [Babysitter] (Ep. 14)

  Guest Role
• 
  Lee Hae Young

  [Chief officer] (Ep. 14)

  Guest Role
• 
  Jung Chung Min

  [NIS agent] (Ep. 14)

  Guest Role
• 
  Shin Mi Young

  [Choi Seong U's mother] (Ep. 14)

  Guest Role
• 
  Kim Shi Woo

  Lee Gang Hun [Child] (Ep. 14, 19)

  Guest Role
• 
  Park Bo Kyung

  Sin Yun Yeong (Ep. 14-15, 17, 20)

  Guest Role
• 
  Lee Ji Soo

  [Student] (Ep. 15)

  Guest Role
• 
  Seol Chan Mi

  [Student] (Ep. 15)

  Guest Role
• 
  Park Gwang Jae

  Kwon Yeong Deuk [North Korean Army] (Ep. 15-20)

  Guest Role
• 
  Min Hyeon U

  [Jeongwon High School past student] (Ep. 16)

  Guest Role
• 
  Lee Do Heon

  [Jeongwon High School Past student] (Ep. 16)

  Guest Role
• 
  Park Jeong Gon

  [Jeongwon High School Past student] (Ep. 16)

  Guest Role
• 
  Moon Dong Ho

  [North Korean soldier] (Ep. 18)

  Guest Role
• 
  Kim Joong Hee

  Lim Jae Seok (Ep. 18-20)

  Guest Role
• 
  Kim Man Gi

  [Control center manager] (Ep. 19)

  Guest Role
• 
  Jung Han Bin

  [Control center staff] (Ep. 19)

  Guest Role
• 
  Oh Hee Joon

  Song Gi Yul (Ep. 19-20)

  Guest Role
• 
  Hwang Dae Woong

  Han Seung Do

  Guest Role
• 
  Park Jung Eon

  [Child in cloak's mother]

  Guest Role
• 
  No Myung Hwan

  [Rescue team]

  Guest Role
• 
  Kim Ri Won

  [Flight attendant]

  Guest Role

Unknown

• 
  Honey Chae Unknown