Cheer Up, Mr. Lee

Chul-soo is a man with an intellectual disability. One day, Chul-soo finds out that a young girl, Saet-byul, who is in hospital is his daughter. And soon, Saet-byul sneaks out of the hospital and travels by herself to a faraway city for her friend's birthday. As Chul-soo accompanies Saet-byul's journey, friendship develops between the two.

• 
  Cha Seung-won

  Cheol-su
• 
  Um Chae-young

  Saet-byeol
• 
  Park Hae-joon

  Yeong-su
• 
  Kim Hye-ok

  Hee-ja
• 
  An Kil-kang

  Mr.Kim
• 
  Jeon Hye-bin

  Eun-hee
• 
  Ryu Han-bi

  Min-jeong
• 
  Cho Han-cheul

  Deok-gu
• 
  Sung Ji-ru

  Jeong-kwon
• 
  Kim Pub-lae

  Mr. Yang