Heart Surgeons

Composer

• 
  Park Se Jun

Director

• 
  Jo Young Kwang
• 
  Jung Dong Yoon

Screenwriter

• 
  Choi Su Jin
• 
  Choi Chang Hwan

Main Role

• 
  Go Soo

  Park Tae Soo

  Main Role
• 
  Uhm Ki Joon

  Choi Seok Han

  Main Role
• 
  Seo Ji Hye

  Yoon Soo Yeon

  Main Role

Support Role

• 
  Choi Dae Hoon

  Koo Dong Joon [Doctor - Thoracic Surgery Dept]

  Support Role
• 
  Nam Kyung Eup

  Yoon Hyeon Mok [Soo Yeon's father]

  Support Role
• 
  Jang So Yeon

  Kang Eun Sook [Nurse]

  Support Role
• 
  Kim Ye Won

  Ahn Ji Na [Fellow doctor in chest department]

  Support Role
• 
  Oh Dong Min

  Moon Seung Jae [Doctor]

  Support Role
• 
  Jeong Bo Seok

  Yoon Hyun Il [Soo Yun's uncle]

  Support Role
• 
  Ahn Nae Sang

  Koo Hee Dong [Dong Joon's father]

  Support Role
• 
  Lee Jae Won

  Nam Woo Jin [Tae Soo's friend]

  Support Role
• 
  Cha Soon Bae

  Lee Joong Do

  Support Role
• 
  Son Kwang Eop

  Son Jae Myung

  Support Role
• 
  Jo Jae Yun

  Hwang Jin Cheol [Tae Su's former colleague]

  Support Role
• 
  Jung Yoo Min

  Bae Yoo Ri

  Support Role
• 
  Jung Hyun Seok

  Yoo Se Hwan

  Support Role
• 
  Nam Tae Boo

  Lee Mi Ran

  Support Role
• 
  Lee Deok Hee

  Oh Jeong Ae

  Support Role
• 
  Park Kyung Hye

  Lee Sun Yeong [Nurse in ICU]

  Support Role
• 
  Jung Hee Tae

  Professor Lee [Anesthesiologist]

  Support Role
• 
  Woo Hyun

  Han Sang Ok [Doctor]

  Support Role
• 
  Jung Dong Gyu

  Han Min Sik

  Support Role
• 
  Jo Jae Ryong

  Hwang Jin Chul [Orthopedic surgeon]

  Support Role
• 
  Yang Hyun Tae

  Nam Dong Chang

  Support Role
• 
  Hong Seo Joon

  [ER head chief department]

  Support Role
• 
  Kang Seo Ha

  Lee Ye Rin

  Support Role
• 
  Ju Min Chan

  [Orthopedic medical resident]

  Support Role
• 
  Park Yoo Mil

  Lee Eun Sung

  Support Role
• 
  Park Ye Chan

  Oh Won Joon

  Support Role
• 
  Hong Ru Hyeon

  Jung Ji Won

  Support Role

Guest Role

• 
  Sim Yi Young

  [Seok Han's wife]

  Guest Role
• 
  Kim Min Seok

  [Doctor] (Ep. 32)

  Guest Role
• 
  Yang Joo Ho

  [Kim Sung Hee's guardian] (Ep.3/4)

  Guest Role
• 
  Han Hye Ji

  Kim Sung Hee (Ep. 3-4)

  Guest Role
• 
  Yang Ye Na

  Eun Ji (Ep. 3/4)

  Guest Role
• 
  Kim Gwang In

  [Doctor on plane] (ep. 4)

  Guest Role
• 
  Woo Sang Jun

  [Monk]

  Guest Role
• 
  Kim Joo Ah

  [Patient's wife]

  Guest Role
• 
  Jung Kang Hee

  Park Do Chang [Shaman]

  Guest Role
• 
  Shin Rin Ah

  Lee Yoon Seo (Ep. 29-31)

  Guest Role
• 
  Lee Si Young

  Lee Yoon Seo's mother (Ep. 29-31)

  Guest Role
• 
  Lee Soo Ah Guest Role
• 
  Kim Chae Hyun

  [Patient's mother]

  Guest Role
• 
  Ban Hye Young

  [Fellow Intern of Yoon Soo Yeon and Ahn Ji Na]

  Guest Role
• 
  Song Chang Gyu

  [Hardware store owner]

  Guest Role
• 
  Choi Yoon Woo

  [Playground boy]

  Guest Role
• 
  Shin Hee Gook Guest Role
• 
  Nam Jung Woo Guest Role
• 
  Cherish Maningat

  [Thai mother]

  Guest Role
• 
  Seo Yoon Ha Guest Role
• 
  Jung Chan Bi

  Yoon Soo Yeon [Young]

  Guest Role
• 
  Richard Kim

  [Cardiology Patient]

  Guest Role
• 
  Kang Jin Ah

  [ER nurse]

  Guest Role
• 
  Chae Yoo Ri

  Yoo Bin

  Guest Role
• 
  Choi Kwon Soo

  Park Tae Soo [Young]

  Guest Role
• 
  Kim Si Woo

  Hyun Woo

  Guest Role
• 
  Choi Yun Woo

  Kim Kyung Ah

  Guest Role
• 
  Joo Min Jun Guest Role
• 
  Jeon Soo Yeon

  [Nurse]

  Guest Role
• 
  Song Da Kyung

  [Nurse]

  Guest Role

Bit part

• 
  Lee Yoo Jung Bit part

Unknown

• 
  Kim Hye Ran Unknown
• 
  Shin Soo Hyun Unknown