• 
  Seung Ho Yoo
• 
  Jun Gyu Park

   King of Underworld (20 episodes, 2012)
• 
  Min-a Shin

   Arang Yoon (20 episodes, 2012)
• 
  Yong-geon Kim

   Lord Choi (20 episodes, 2012)
• 
  Seung Ho Yoo

   King of Heaven (20 episodes, 2012)
• 
  Oh-jung Kwon

   Dol Swe (20 episodes, 2012)
• 
  Jeong-su Han

   Moo-yeong (The Angel of Death) (20 episodes, 2012)
• 
  Joon-Gi Lee

   Eun-oh Lee (20 episodes, 2012)

• 
  Bo-ra Hwang

   Bang Wool (20 episodes, 2012)
• 
  Kwang-gyu Kim

   Lee Bang (20 episodes, 2012)
• 
  Soo-ho Lee

   Hyung Bang (20 episodes, 2012)
• 
  Ju-Eun Lim

   Moo Yeon (20 episodes, 2012)
• 
  Woo Jin Yeon

   Joo-Wal (20 episodes, 2012)
• 
  Ju-sang Yun

  Lord Kim, Eun-oh's father
• 
  Hyeon-shik Lim

  Ghost

• 
  Bo-seok Jeong

  Eun-oh's Teacher
• 
  Sung-min Lee

  The Gatekeepe