Doctors

Composer

• 
  Park Se Jun

Director

• 
  Oh Choong Hwan

Screenwriter

• 
  Ha Myung Hee

Main Role

• 
  Kim Rae Won

  Hong Ji Hong

  Main Role
• 
  Park Shin Hye

  Yoo Hye Jeong

  Main Role
• 
  Yoon Kyun Sang

  Jung Yun Do

  Main Role
• 
  Lee Sung Kyung

  Jin Seo U

  Main Role

Support Role

• 
  Moon Ji In

  Cheon Sun Hui [Hye Jeong's best friend]

  Support Role
• 
  Um Hyo Sup

  Jin Myeong Hun [Seo U's father]

  Support Role
• 
  Kim Kang Hyun

  Kang Gyeong Jun [Doctor]

  Support Role
• 
  Baek Sung Hyun

  Pi Yeong Guk [Doctor]

  Support Role
• 
  Jang Hyun Sung

  Kim Tae Ho [Vice president]

  Support Role
• 
  Kim Min Seok

  Choi Gang Su [Doctor]

  Support Role
• 
  Lee Sun Ho

  Jung Pa Ran [Professor / Yun Do's uncle]

  Support Role
• 
  Jo Hyun Sik

  An Jong Dae

  Support Role
• 
  Yoo Da In

  Cho In Ju [Ji Hong's friend / Doctor]

  Support Role
• 
  Kim Ji Soo

  Kim Su Cheol [Hye Jeong's friend]

  Support Role
• 
  Jeon Gook Hwan

  Jin Seong Jong [Seo U's grandfather]

  Support Role
• 
  Lee Ho Jae

  Hong Du Sik [Ji Hong's father]

  Support Role
• 
  Yoon Hae Young

  Yun Ji Yeong [Seo U's mother]

  Support Role
• 
  Pyo Ye Jin

  Hyun Su Jin [Nurse]

  Support Role
• 
  Jung Jin

  Baek Ho Min [Doctor]

  Support Role
• 
  Park Yong Soo

  Jung Il Sang [Yun Do's father / CEO]

  Support Role
• 
  Jin Seon Kyu

  Chief Kim [Jin Myeong Hun's subordinate]

  Support Role
• 
  Ji Yi Soo

  Yoo Byeol [Nurse]

  Support Role
• 
  Jung Hae Kyun

  Yoo Min Ho [Hye Jeong's father]

  Support Role
• 
  Jung Dong Gyu

  Na Min Su [Congressman]

  Support Role
• 
  Choi Sung Jae

  Hwangbo Tae Yang

  Support Role

Guest Role

• 
  Lee Joon Hyuk

  [Gang boss's subordinate] (Ep. 1)

  Guest Role
• 
  Gong Da Im

  Mi Ra (Ep. 1-2)

  Guest Role
• 
  Kim Young Ae

  Kang Mal Sun [Hye Jeong's grandmother] (Ep. 1-3)

  Guest Role
• 
  Nam Moon Chul

  [Sun Hui's father] (Ep. 1-3)

  Guest Role
• 
  Kim Hye Yoon

  [School girl] (Ep. 2)

  Guest Role
• 
  Jeon Ji An

  [Patient at the airplane] (Ep. 4)

  Guest Role
• 
  Han Hye Jin

  Cho Su Ji [Patient] (Ep. 11-12)

  Guest Role
• 
  Jo Dal Hwan

  [Su Ji's husband] (Ep. 11-12)

  Guest Role
• 
  Jo Hye Sun

  Lee Yu Seon [Writer of SBC] (Ep. 13)

  Guest Role
• 
  Namkoong Min

  Nam Ba Ram (Ep. 13-15)

  Guest Role
• 
  Ko Woo Rim

  Nam Hae [Ba Ram's son] (Ep. 13-14)

  Guest Role
• 
  Choi Jung Hoo

  Nam Dal [Ba Ram's son]( Ep. 13-14)

  Guest Role
• 
  Henny Savenije

  [MH Med-Tech investor] (Ep. 15)

  Guest Role
• 
  Lee Sang Yeob

  Kim U Jin [Hui Yeong's husband] (Ep. 15-20)

  Guest Role
• 
  Han Bo Bae

  Yoo Yu Na [Hye Jeong's little sister]

  Guest Role
• 
  Gal So Won

  Yoo Hye Jeong [Young]

  Guest Role
• 
  Im Ji Yeon

  Lee Su Jeong [Gold medallist archer]

  Guest Role
• 
  Park Ji Ah

  Lee Ga Jin [Hye Jeong's stepmother]

  Guest Role
• 
  Jung Kyung Soon

  O Yeong Mi [Patient]

  Guest Role
• 
  Gil Jung Woo

  Hong Ji Hong [Young]

  Guest Role
• 
  Yeo Hoe Hyun

  Choi Yeong Su [Gang Su's younger brother] (Ep. 17)

  Guest Role
• 
  Lomon

  Hong Ji Hong [Teen]

  Guest Role
• 
  Kim Min Chul

  Heung Min [Kim Su Cheol's friend]

  Guest Role
• 
  Park Jin Soo

  [Su Gyeong's friend]

  Guest Role
• 
  Lee Ji An

  [Hye Jeong's gang #1]

  Guest Role
• 
  Jung Ah Mi

  [Patient's mother]

  Guest Role
• 
  Park Young Soo

  [Teacher]

  Guest Role
• 
  Lee Ki Woo

  [Boss]

  Guest Role
• 
  Hong Seung Beom

  [Attorney]

  Guest Role
• 
  Shim Hye Yun

  [Child near grandmother]

  Guest Role
• 
  Lee Seo Hwan

  [Record store manager

  Guest Role
• 
  Ju Seo Eun

  [Cabin female patient]

  Guest Role
• 
  Kim Seung Hoon Guest Role
• 
  Jang Joo Yeon Guest Role
• 
  Lee Bom So Ri Guest Role

Unknown

• 
  Son Jung Rim Unknown
• 
  Song Su Yi Unknown