Queen Mantis

Director

• 
  Byun Young Joo

Screenwriter

• 
  Lee Young Jong

Main Role

• 
  Go Hyun Jung

  Jung I Sin

  Main Role
• 
  Jang Dong Yoon

  Cha Su Yeol

  Main Role
• 
  Cho Seong Ha

  Choi Jung Ho

  Main Role
• 
  Lee El

  Kim Na Hui

  Main Role

Support Role

• 
  Kim Bo Ra

  Lee Jung Yeon [Su Yeol’s wife]

  Support Role
• 
  Lee Hwang Ui

  Jung Hyeon Nam [I Sin's father]

  Support Role
• 
  Kim Min Ho

  Bae Seong Gyu [Detective]

  Support Role
• 
  Kim Tae Jung

  Choi Hyeok [Detective]

  Support Role
• 
  Park Wan Hyeong

  Son Ji An [Detective]

  Support Role
• 
  Han Dong Hee

  Seo A Ra [Jung Yeon's friend]

  Support Role
• 
  Lee Tae Goo

  Seo Gu Wan

  Support Role
• 
  Lee Yoon Gun

  Hong Seung Pyo [Police commissioner general]

  Support Role
• 
  Han Si A

  Kim Eun Ae

  Support Role
• 
  Kil Geum Sung

  Kim U Tae [Security]

  Support Role
• 
  Cha Soon Bae

  Park Eun Bae [Min Jae's father]

  Support Role
• 
  Lee Chang Min

  Park Min Jae

  Support Role

Guest Role

• 
  Kang Yu Ra

  [Detective] (Ep. 1)

  Guest Role
• 
  Joo Hae Eun

  [Eun Ae's mother] (Ep. 1)

  Guest Role
• 
  Jo Jae Yoon

  [I Sin's ex-husband] (Ep. 3-4)

  Guest Role
• 
  Ko Dong Hyoung

  [Angry car owner] (Ep. 4)

  Guest Role
• 
  Jo Young Mi

  [Restaurant owner] (Ep. 4)

  Guest Role
• 
  Park Hyun Young

  [Forensic scientist] (Ep. 4)

  Guest Role
• 
  Kang Jong Sung

  [Victim's father] (Ep. 5)

  Guest Role
• 
  Park Jeong Min

  [Victim] (Ep. 5)

  Guest Role
• 
  Cha Young Mi

  [Caregiver] (Ep. 6)

  Guest Role
• 
  Son Woo Jin

  [Hotel staff] (Ep. 6)

  Guest Role
• 
  Kim Seo Ha

  Ho Jun [Na Hui's son] (Ep. 6-7)

  Guest Role
• 
  Han Sang Bong

  [Attorney] (Ep. 6-7)

  Guest Role
• 
  Ahn Ah Young

  [Attorney] (Ep. 6-7)

  Guest Role
• 
  Kim Jin Woo

  [Police officer] (Ep. 7)

  Guest Role
• 
  Yune Sung Soo

  [SWAT member] (Ep. 7-8)

  Guest Role
• 
  Lee Min Ah

  [Jung I Sin's mother] (Ep. 8)

  Guest Role
• 
  Park Sang Gyu

  [Police officer] (Ep. 8)

  Guest Role
• 
  Ji Eun

  So Won

  Guest Role
• 
  Kim Jong Hyeon

  Kim Hyeon U

  Guest Role
• 
  Im So Ha

  Kang Yeon Jung

  Guest Role
• 
  Ahn Seok Hyun

  Park Min Jae [Child]

  Guest Role
• 
  Park Ji Han

  [Yeon Jung's father]

  Guest Role
• 
  Ryu Jae Hyuk

  [Police officer]

  Guest Role
• 
  Lee Se Ho

  [Crime scene investigator]

  Guest Role
• 
  Kim Jin Mok

  Kim Seung Min

  Guest Role
• 
  Kim Yun Seul

  Jung I Sin [Child]

  Guest Role

Cameo

• 
  Ko Jun

  No Sang Cheol (Ep. 1)

  Cameo
• 
  Byun Yo Han

  [Himself] (Ep. 1)

  Cameo