• 
  Seon-a Kim

   Kim Sun-ah (16 episodes, 2012)
• 
  Il-hwa Lee

   Lee Il-hwa (16 episodes, 2012)
• 
  Dong-il Song

   Sung Dong-il (16 episodes, 2012)
• 
  Ji-won Eun

   Do Hak-chan (16 episodes, 2012)
• 
  Jong-ho Song

   Yoon Tae-woong (16 episodes, 2012)
• 
  So Yool Shin

   Mo Yoo-jung (16 episodes, 2012)
• 
  In Guk Seo

   Yoon Yoon-jae (16 episodes, 2012)
• 
  Eun-ji Jung

   Sung Shi-won (16 episodes, 2012)

• 
  Hoya

   Kang Joon-hee (16 episodes, 2012)
• 
  Si-eon Lee

   Bang Sung-jae (16 episodes, 2012)
• 
  Ji-yeon No

   Jang Dan-ji (16 episodes, 2012)
• 
  Kyung-mi Jung

   Kyung-mi (16 episodes, 2012)
• 
  Sun Ah

   Eun, Gak H / ... (16 episodes, 2012)
• 
  Seon-a Kim

  16 episodes, 2012
• 
  Tony Ahn

  Tony An

• 
  Kim Ye Won

  Shi Won's older sister
• 
  G.na

  Choi Jin-ah
• 
  Lee Jooyeon

  Dr. Lee Joo-yeon
• 
  Kyun Sung Kang

  Sung Dong Il (young)
• 
  Jong-min Kim

  Doctor
• 
  Si-wan Yim

  ROTC student
• 
  Hyo-ri Lee

  Self
• 
  Bo-mi Yoon

  Moon Jung Mi (young)