Gyeongseong Creature

Composer

• 
  Kim Tae Seong

Costume Designer

• 
  Hong Soo Hee

Director

• 
  Jung Dong Yoon

Screenwriter

• 
  Kang Eun Kyung

Main Role

• 
  Park Seo Joon

  Jang Tae Sang

  Main Role
• 
  Han So Hee

  Yoon Chae Ok

  Main Role
• 
  Claudia Kim

  Maeda Yukiko

  Main Role
• 
  Kim Hae Sook

  Na Wol Daek

  Main Role

Support Role

• 
  Jo Han Chul

  Yoon Joong Won

  Support Role
• 
  Wi Ha Joon

  Kwon Joon Taek

  Support Role
• 
  Ji Woo

  Myung Ja

  Support Role
• 
  Woo Jeong Won

  Shim Soon Duk

  Support Role
• 
  Park Ji Hwan

  Goo Gap Pyung

  Support Role
• 
  Kim Do Hyun

  Ishikawa

  Support Role
• 
  Choi Young Joon

  Gato

  Support Role
• 
  Ok Ja Yeon

  Na Young Chun

  Support Role
• 
  Hyun Bong Sik

  Ichiro

  Support Role
• 
  Jo Jae Ryong

  Soma

  Support Role
• 
  Yeon Je Wook

  Lee In Hyuk

  Support Role
• 
  Im Chul Soo

  Mr. Oh

  Support Role
• 
  Ahn Ji Ho

  Park Bum Oh

  Support Role
• 
  Im Ki Hong

  Mr. Wang

  Support Role
• 
  Woo Ji Hyun

  Sachimoto

  Support Role
• 
  Kang Mal Geum

  Choi Sung Shim

  Support Role
• 
  Lee Kyu Sung

  Mori

  Support Role
• 
  Kim Yoon Woo

  Choi Young Kwan

  Support Role
• 
  Lee Soon Won

  Haneda

  Support Role
• 
  Kim Yool Ho Support Role

Guest Role

• 
  Lee Dong Yong

  [Broker] (Ep. 1)

  Guest Role
• 
  Lee Do Hyung

  [Manager] (Ep. 1)

  Guest Role
• 
  Ha Shi Yeon

  [Secretary] (Ep. 1)

  Guest Role
• 
  Kang Hak Soo

  [Customer] (Ep. 1)

  Guest Role
• 
  Yoon Boo Jin

  [Customer] (Ep. 1)

  Guest Role
• 
  Lee Seung Chul

  [Customer] (Ep. 1)

  Guest Role
• 
  Park Jung Yeon

  [Subject one] (Ep. 1)

  Guest Role
• 
  Im Tae Poong

  [Newspaper boy] (Ep. 1)

  Guest Role
• 
  Son Seung Hun

  [Japanese soldier] (Ep. 1)

  Guest Role
• 
  Jung Kyu Soo

  [General store owner] (Ep. 1)

  Guest Role
• 
  Kim Dong Yong

  Maeda [Butler] (Ep. 2)

  Guest Role
• 
  Choi Da Yeong

  [Nurse] (Ep. 2)

  Guest Role
• 
  Lee Dabitna

  [Nurse] (Ep. 2)

  Guest Role
• 
  Ok Yoon Joong

  [Guard] (Ep. 2)

  Guest Role
• 
  Kim Sung Yong

  [Doctor] (Ep. 2)

  Guest Role
• 
  Kim Yong Ho

  [Prisoner] (Ep. 2)

  Guest Role
• 
  Park Se Hoon

  [Hallway soldier] (Ep. 2, 4)

  Guest Role
• 
  Choi Won

  [Hospital official] (Ep. 2)

  Guest Role
• 
  Kwon Hyuk Sung

  [Japanese soldier] (Ep. 2)

  Guest Role
• 
  Hwang Sung Bin

  [Soldier] (Ep. 3)

  Guest Role
• 
  Lee Rang Seo

  [Prisoner] (Ep. 3)

  Guest Role
• 
  Moon Hak Jin

  [Soldier] (Ep. 4)

  Guest Role
• 
  Han Kyu Won

  [Corporal] (Ep. 4)

  Guest Role
• 
  Kim Tae Yeon

  Yoon Chae Ok [Child] (Ep. 4)

  Guest Role
• 
  Jong Ho

  [Soldier] (Ep. 5)

  Guest Role
• 
  Kim Sung Hyo

  [Prisoner] (Ep. 5)

  Guest Role
• 
  Jang In Sub

  [Comrade] (Ep. 5)

  Guest Role
• 
  Kim Shin Yul

  [Restaurant staff] (Ep. 5)

  Guest Role
• 
  Noh Sung Eun

  [Japanese soldier] (Ep. 5)

  Guest Role
• 
  Kim Tae Baek

  [Soldier] (Ep. 6)

  Guest Role
• 
  Park Gang To

  [Soldier] (Ep. 6)

  Guest Role
• 
  So Yun Ho

  [Soldier] (Ep. 6)

  Guest Role
• 
  Yun Ho Rim

  [Waiter] (Ep. 6-7)

  Guest Role
• 
  Jung Hyun Chul

  [Soldier] (Ep. 7)

  Guest Role
• 
  Kim Han Joon

  [Soldier] (Ep. 7)

  Guest Role
• 
  Kim Jin Ok

  [Street vendor] (Ep. 7)

  Guest Role
• 
  Lee So Ra

  [Street party woman] (Ep. 7)

  Guest Role
• 
  Seo Ho Chul

  [Senior police officer] (Ep. 7)

  Guest Role
• 
  Seo Byung Chul

  [Jun Taek's father's chauffeur] (Ep. 7)

  Guest Role
• 
  Han Dong Gyu

  [Official] (Ep. 9)

  Guest Role
• 
  Kim Jin Goo

  [Official] (Ep. 9)

  Guest Role
• 
  Chu Yeon Gyu

  [Resident] (Ep. 10)

  Guest Role
• 
  Choi Young Min

  [Resident] (Ep. 10)

  Guest Role
• 
  Nam Min Woo

  Hui Do

  Guest Role
• 
  Kang Ji Woo

  Song A

  Guest Role
• 
  Jo I Taek

  Kuroko

  Guest Role
• 
  Nam Myeong Ryeol

  Mr. Heo

  Guest Role
• 
  Lee Shin Ki

  Major Endo

  Guest Role
• 
  Park Jae Joon

  Jang Tae Sang [Child]

  Guest Role
• 
  Ham Jin Sung

  [Guard]

  Guest Role
• 
  Park Bin

  [Soldier]

  Guest Role
• 
  Shin Moon Sung

  [Officer]

  Guest Role
• 
  Lee Ji Myeong

  [Villager]

  Guest Role
• 
  Kim Geun Yeong

  [Prisoner]

  Guest Role
• 
  Kang Tae Ung

  [Prisoner]

  Guest Role
• 
  An Tae Rin

  [Prisoner]

  Guest Role
• 
  Kwon Eun Seong

  [Prisoner]

  Guest Role
• 
  Ko Eun Bi

  [Prisoner]

  Guest Role
• 
  Kim Young Mi

  [Maeda's butler]

  Guest Role
• 
  Jeon Kwang Jin

  [Rickshaw puller]

  Guest Role
• 
  Choi Kwang Il

  [Jun Taek’s father]

  Guest Role
• 
  Kim Seo Kyung

  [Japanese customer]

  Guest Role
• 
  Lee Seo Joon

  [Entrance gate guard]

  Guest Role
• 
  Lee Ji Hyun

  [Young Kwan's mother]

  Guest Role
• 
  Jang Nam Boo

  [Officer]

  Guest Role
• 
  Cha Yu Jin

  [Japanese nurse]

  Guest Role

Unknown

• 
  Jung Yong Hee Unknown
• 
  Jung Chang Hwan Unknown