Queen of Masks

Director

• 
  Kang Ho Jun

Screenwriter

• 
  Im Do Wan

Main Role

• 
  Kim Sun Ah

  Do Jae Yi

  Main Role
• 
  Oh Yoon A

  Go Yoo Na

  Main Role
• 
  Shin Eun Jung

  Joo Yoo Jung

  Main Role
• 
  Yoo Sun

  Yoon Hae Mi

  Main Role

Support Role

• 
  Oh Ji Ho

  Choi Kang Hoo

  Support Role
• 
  Lee Jung Jin

  Song Je Hyeok

  Support Role
• 
  Shin Ji Hoon

  Cha Leo

  Support Role
• 
  Jang Eui Soo

  Jo Yong Pil

  Support Role
• 
  Song Young Chang

  Kang Il Goo

  Support Role
• 
  Won Mi Won

  Goo Shim Ok

  Support Role
• 
  Jeon Jin Ki

  Jung Goo Tae

  Support Role
• 
  Choo Kwi Jung

  Gil Man Ok

  Support Role
• 
  An Tae Rin

  Song Na Na

  Support Role
• 
  Lee Yeon Du

  Kim Ji Hee

  Support Role
• 
  Kwon Tae Won

  Ki Yoon Cheol

  Support Role
• 
  Kim Young Joon

  Secretary Choi

  Support Role
• 
  Yang Taek Ho

  Jung Ki Ho

  Support Role
• 
  Kim Jung Soo

  Kim Joong Ho

  Support Role
• 
  Jo Yi Haeng

  CEO Jung

  Support Role
• 
  Kim Do Young

  Jung Gwang Chul [Principal ]

  Support Role
• 
  Ji So Young

  Lee Yeon A

  Support Role

Guest Role

• 
  Jasper Cho

  Gi Do Sik (Ep. 1)

  Guest Role
• 
  Kim Nan Hee

  Choi Bo Mi (Ep.1,3)

  Guest Role
• 
  Kim Kyung Ryong

  Kim Man Bok (Ep.1,3)

  Guest Role
• 
  Lee Dong Chan

  Chairman Im Chang Gil (Ep.1)

  Guest Role
• 
  Han Ye Ju

  Lee Hwa Ryeon [Jung Goo Tae's wife] (Ep. 1-2)

  Guest Role
• 
  Kim Jin Goo

  [Priest] (Ep.1-2)

  Guest Role
• 
  Jo Young Mi

  [Judge] (Ep.1,3)

  Guest Role
• 
  Heo Jae Ho

  [Reporter] (Ep.1)

  Guest Role
• 
  Park Joong Geun

  [Detective] (Ep.1)

  Guest Role
• 
  Hong Seong Gwan

  [Bartender] (Ep.1)

  Guest Role
• 
  Jang Eui Don

  [Party member] (Ep.1)

  Guest Role
• 
  Kwak Ji Sook

  [Choi Bo Mi's friend] (Ep.1)

  Guest Role
• 
  Jung Hyung Suk

  [Youngwun Cultural Foundation director] (Ep.1)

  Guest Role
• 
  Kim Jin

  [NFS medical examiner] (Ep.2)

  Guest Role
• 
  Yoo Young Bok

  [Assemblyman] (Ep.6)

  Guest Role
• 
  Han Dong Gyun

  [Assemblyman] (Ep.6)

  Guest Role
• 
  Jung Chan Hoon

  [Inhae Investment executive] (Ep.6)

  Guest Role
• 
  Kwon Bum Taek

  [Supporters' Association chairman] (Ep. 6)

  Guest Role
• 
  Lee Eun Ju

  [Stationary store owner] (Ep. 7)

  Guest Role
• 
  Ma Jung Pil

  [Doctor] (Ep.9)

  Guest Role
• 
  Kim Mi Ra

  [Doctor] (Ep.9)

  Guest Role
• 
  Kim Jae Man

  [Choi Gang Hoo's brother] (Ep.7)

  Guest Role
• 
  Ha Su Ho

  [Detective] (Ep.11-12)

  Guest Role
• 
  Son Eun Ho

  [Nurse] (Ep.11)

  Guest Role
• 
  Kim Ji Su

  [Paint thinner woman] (Ep.11)

  Guest Role
• 
  Lee Hyun Seo

  Doctor Han Eun Soo (Ep.11,14)

  Guest Role
• 
  Kang Hae Ri

  [Hotel cleaning staff] (Ep.11-12)

  Guest Role
• 
  Geum Kwang San

  [Gang boss] (Ep.11)

  Guest Role
• 
  Ha Min

  [Chairman Kang's wife] (Ep.13,15)

  Guest Role
• 
  Go Ae Ri

  [Chairman Kang's daughter] (Ep.13,15)

  Guest Role
• 
  Kim Sang Kyoon

  [Myung Eun Soo] (Ep.12-13)

  Guest Role
• 
  Yoo Sang Jae

  [Host club manager] (Ep.15-16)

  Guest Role
• 
  Bae Bo Ram

  [Neighbor] (Ep.15)

  Guest Role
• 
  Kim Moon Chan

  [Security guard] (Ep.15)

  Guest Role
• 
  Kim Doo Eun

  [Organ dealer] (Ep.15)

  Guest Role
• 
  Shin Na Ra

  [Enforcer] (Ep.16)

  Guest Role
• 
  Lee Yu Ju

  Ye Ji

  Guest Role
• 
  Kim Min Suk

  [Detective]

  Guest Role
• 
  Kim Hye Ran

  [Reporter]

  Guest Role
• 
  Shin Yoo Bin

  [Orphanage staff]

  Guest Role
• 
  Hong Joon Woo

  [Neighbor's son] (Ep. 15)

  Guest Role
• 
  Kim Si U

  [Playground child]

  Guest Role
• 
  Kim Sung Ho Guest Role
• 
  Yeom Ji Hye

  [Reporter] (Ep. 1)

  Guest Role
• 
  Jaspreet Kaur

  Maria [Server] (Ep. 2)

  Guest Role
• 
  Yoon Jung Yul

  [Prosecutor] (Ep. 1, 3)

  Guest Role
• 
  Lee Seung Joon

  [Doctor] (Ep. 14)

  Guest Role

Unknown

• 
  Ko Yu Ni Unknown