Queen Mantis

Cha Su-yeol, a police officer who has long despised his mother, the notorious 'Mantis' serial killer, must reluctantly turn to her for help when a copycat killer emerges.

• 
  Ko Hyun-jung

  Jeong Yi-shin
• 
  Jang Dong-yoon

  Cha Su-yeol
• 
  Cho Seong-ha

  Joong-ho
• 
  Lee El

  Na-hee
• 
  Kim Bo-ra

  Lee Jung-yeon
• 
  Lee Hwang-eui

  Jung Hyeon Nam [I Sin's father]
• 
  Kim Min-ho

  Bae Seong Gyu [Detective]
• 
  Kim Tae-jeong

  Choi Hyeok [Detective]
• 
  Han Dong-hee

  Seo A Ra [Jung Yeon's friend]
• 
  Lee Tae-gu

  Seo Gu Wan