• 
  Hyeon-jae Jo

  Eddie Kang
• 
  Eun-hee Bang

   Won Mi Ok
• 
  Chae-young Han

   Go Ah Ri
• 
  Seung-hwan Shin

   Shin Dong Hoon
• 
  In-yeong Yu

   Han Byul (2013)
• 
  Ku Jin

   Lee Tae Baek
• 
  Ha-seon Park

   Baek Ji Yoon
• 
  Jung-woo Choi

   Kang Han Chul

• 
  Jang Yong

   Chairman Baek
• 
  Jo Hyun Jae

   Addie Kang
• 
  Ah Young

   Gong Sun Hye
• 
  Young Sook Jung

   Ji Kwan Soon
• 
  Hee Sung Kwak

   Ma Yi Chan
• 
  Yong Jang

   Chairman Baek (as Jang Yong)
• 
  Seok-hyeon Hwang

   Kim Ha-Rang (1 episode, 2013)

• 
  Yeong-suk Jeong

  16 episodes, 2013