The Trauma Code: Heroes on Call

Director

• 
  Lee Do Yoon

Original Creator

• 
  Lee Nak Jun

Screenwriter

• 
  Choi Tae Gang

Main Role

• 
  Ju Ji Hoon

  Baek Gang Hyeok

  Main Role
• 
  Choo Young Woo

  Yang Jae Won

  Main Role
• 
  Ha Young

  Cheon Jang Mi

  Main Role
• 
  Yoon Kyung Ho

  Han Yu Rim

  Main Role
• 
  Jung Jae Kwang

  Park Gyeong Won

  Main Role

Support Role

• 
  Kim Eui Sung

  Choi Jo Eun

  Support Role
• 
  Kim Won Hae

  Hong Jae Hun

  Support Role
• 
  Kim Sun Young

  Kang Myeong Hui [Minister of Health and Welfare]

  Support Role
• 
  Jang Sung Yoon

  Kim Seong Yun

  Support Role
• 
  Hong Woo Jin

  An Jung Heon [Rescue team's leader]

  Support Role
• 
  Kim Yun Jeong

  Hong Yun Jeong

  Support Role
• 
  Bang Yoo In

  Nurse Bang

  Support Role
• 
  Kim Choong Gil

  Hwang Seon U [Anesthesiologist]

  Support Role
• 
  Kim Byung Chul

  Im Min Ho [Emergency medicine department's head]

  Support Role
• 
  Lee Jeong In

  Ju Hyeong Uk

  Support Role

Guest Role

• 
  Park Yong

  O Seong Heum [Hospital director] (Ep. 1)

  Guest Role
• 
  Jo Ki Tae

  [ER detective] (Ep. 1)

  Guest Role
• 
  Kim Jae Heung

  [Helicopter co-pilot] (Ep. 1)

  Guest Role
• 
  Kwon Dong Won

  [Paramedic] (Ep. 1-2)

  Guest Role
• 
  Lee Geun Hoo

  [Helicopter pilot] (Ep. 1-2, 5)

  Guest Role
• 
  Oh Jung Woo

  [Emergency medicine intern] (Ep. 1-3, 5-7)

  Guest Role
• 
  Jo Jae Young

  Cho Jae Yeong [Emergency medicine resident] (Ep. 1, 3, 6-7)

  Guest Role
• 
  Cho Hoon

  [Helicopter crew] (Ep. 1, 6)

  Guest Role
• 
  Kwak Min Ho

  [Gangster patient] (Ep. 1, 3)

  Guest Role
• 
  Kim Jae Eun

  [Anesthesiology fellow] (Ep. 1, 6-7)

  Guest Role
• 
  Park Min Young

  Ma Tae Rim [Anesthesiologist] (Ep. 3-5)

  Guest Role
• 
  Lee Eun Jo

  Lee Hye Yeong [Gi Yeong's sister] (Ep. 3-4)

  Guest Role
• 
  Kim Da Hwin

  Lee Gi Yeong [Hye Yeong's brother] (Ep. 3-4)

  Guest Role
• 
  Yoon Dae Yeol

  Jeong Jeon Su [Orthopedics professor] (Ep. 3-5, 8)

  Guest Role
• 
  Yoon Sung Won

  Sim Jae Min [Cardiologist] (Ep. 4)

  Guest Role
• 
  Cha Young Ju

  [Paramedic] (Ep. 4)

  Guest Role
• 
  Kim Hyuk Jong

  [Hospital administration staff] (Ep. 4)

  Guest Role
• 
  Park Jeong Yun

  Han Ji Yeong [Yu Rim's daughter] (Ep. 4-6)

  Guest Role
• 
  Cho Jung Hwan

  No Jun Yeong [Head of Neurosurgery] (Ep. 4, 6-7)

  Guest Role
• 
  Kim Jang Hwan

  [Reporter] (Ep. 5)

  Guest Role
• 
  Lee Su Hyung

  Cho Deok Gyu [Rescue team's leader] (Ep. 6)

  Guest Role
• 
  Ryu Seung Moo

  [Paramedic] (Ep. 6)

  Guest Role
• 
  Ha Shi Yeon

  [Neurosurgery resident] (Ep. 6)

  Guest Role
• 
  Park Ye Ni

  Song Agnes

  Guest Role
• 
  Seo Myung Chan

  Song Chan U [Minister of National Defense] (Ep. 7)

  Guest Role
• 
  Seon Yul U

  [Gangster] (Ep.7)

  Guest Role
• 
  Lee Jae Ha

  [Diplomat] (Ep. 7)

  Guest Role
• 
  Son In Yong

  [Supplies manager] (Ep. 7)

  Guest Role
• 
  Kim Jae Won

  Seo Dong Ju [Military doctor] (Ep. 7-8)

  Guest Role
• 
  Lee Se Ho

  Lee Hyeon Jeong [Captain of UN's Hanbit unit] (Ep. 7-8)

  Guest Role
• 
  Sean Richard

  Walter [Black Wings' commander] (Ep. 8)

  Guest Role
• 
  Park Kwan Woo

  [Emergency room nurse]

  Guest Role
• 
  Jang Yoo Jung

  [Emergency room nurse]

  Guest Role
• 
  Lee Cheol Eun

  [Fire commissioner] (Ep. 6-7)

  Guest Role
• 
  Jeong Hwan Wook

  [Hiker patient] (Ep. 1)

  Guest Role
• 
  Kim Tae Yun

  [Dong Seok's mom] (Ep. 6-7)

  Guest Role
• 
  Cho So Yeon

  [Nurse anesthetist] (Ep. 1)

  Guest Role