Doctor John

Cha Yo-Han—an arrogant but genius doctor of anesthesiology—and Kang Shi-Young—a smart, warm resident of anesthesiology—work together to help people with mysterious cases of acute or chronic pain.

• 
  Ji Sung

  Cha Yo-Han
• 
  Lee Se-young

  Kang Shi-Young
• 
  Oh Hyun-joong

  Kim Won Hee
• 
  Lee Kyoo-hyung

  Son Seok-Ki
• 
  Kim Hye-eun

  Tae-Kyung
• 
  Shin Dong-mi

  Chae Eun-Jung
• 
  Jeon No-min

  Kang Yi-Soo
• 
  Uhm Hyo-seop

  Kang Yi-Moon
• 
  Oh Seung-hyun

  Min Joo-Kyung
• 
  Jeong In-gi

  Jung-Nam