• 
  Yong-Joo Lee

  regizor

• 
  Ga-in Han

  Present Seo-Yeon
• 
  Je-hoon Lee

  Seung-min - Past
• 
  Tae-woong Eom

  Seung-min - Present
• 
  Dong Joo Kim

  Seung-Min's Mother
• 
  Dong Joo Kim

  Seung-Min's mother
• 
  Eui-sung Kim

  Professor Kang
• 
  Hyeon-cheol Jo

  Dong-goo

• 
  Jung-suk Jo

  Nabddeuckyi
• 
  Jun-hee Ko

  Eun-chae
• 
  Seung-Ho Lee

  Seo-yeon's father
• 
  Su-young Park

  Director Goo
• 
  Yeon-Seok Yoo

  Jae-wook