• 
  Song Joong-Ki

  Kang Ma-Roo
• 
  Chan-Hee Kang

  Kang Ma-Roo
• 
  Chae-won Moon

  Seo Eun-Gi
• 
  Kwang Soo Lee

  Park Jae-Gil
• 
  Sang-Yeob Lee

  Park Joon-Ha
• 
  Si-Yeon Park

  Han Jae-Hee
• 
  So-young Park

  Han Jae-Hee
• 
  Tae-Hun Kim

  Ahn Min-Young

• 
  Yoo-Bi Lee

  Kang Cho-Ko
• 
  Yeong-cheol Kim

   Seo Jung Gyu / ... (20 episodes, 2012)
• 
  Sung Ha Jo

   Suk Min Hyuk (20 episodes, 2012)
• 
  Oh Young

   Jo Young Bae (19 episodes, 2012)
• 
  Si-Yeon Park

   Han Jae-Hee (20 episodes, 2012)
• 
  Ik-Joon Yang

   Han Jae Shik (20 episodes, 2012)
• 
  Kyeong Jin

   Hyun Jung Hwa (20 episodes, 2012)

• 
  Kim Seo Ra

   Eun-Gi's mother (19 episodes, 2012)
• 
  Jo Hwi Joon

   Seo Euk Suk (20 episodes, 2012)
• 
  Han Seo Jin

   Kang Cho-Ko (Young) (20 episodes, 2012)
• 
  Seo-ra Kim

  19 episodes, 2012
• 
  Chani

  20 episodes, 2012
• 
  Kim Ye Won

  Airplane passenger