Baby Singer

• 

  

  Kim Sook

  as 원장 선생님
• 

  

  Moon Se-yoon

  as 원장 선생님
• 

  

  Giriboy

  as 음악 선생님
• 

  

  Lee Mu-jin

  as 음악 선생님
• 

  

  Jung Jae-hyung

  as 음악 선생님
• 

  

  Jang Yoon-ju

  as 음악 선생님
• 

  

  Lee Seok-hoon

  as 음악 선생님

Full cast details coming soon!