Soul Mechanic

Director

• 
  Yoo Hyun Ki

Executive Producer

• 
  Kang Byeong Taek

Screenwriter

• 
  Lee Hyang Hee

Main Role

• 
  Shin Ha Kyun

  Lee Shi Joon

  Main Role
• 
  Jung So Min

  Han Woo Joo

  Main Role
• 
  Tae In Ho

  In Dong Hyuk

  Main Role
• 
  Park Ye Jin

  Ji Young Won

  Main Role

Support Role

• 
  Joo Min Kyung

  Gong Ji Seon [Woo Joo's friend]

  Support Role
• 
  Jung Hae Kyun

  Park Dae Ha [Psychiatry chief]

  Support Role
• 
  Ahn Dong Goo

  Noh Woo Jung [Resident]

  Support Role
• 
  Park Han Sol

  Gong Ji Hee [Resident]

  Support Role
• 
  Jang Yoo Sang

  Im Se Chan [Resident]

  Support Role
• 
  Park Soo Young

  Oh Gi Tae

  Support Role
• 
  Jo Kyung Sook

  Jo In Hye [Hospital director]

  Support Role
• 
  Kim Ga Ran

  Jang Yoo Mi [Intern]

  Support Role
• 
  Ha Young

  Gang Neu Ri [Resident]

  Support Role
• 
  Kim Kang Min

  Kim Young Seok [Intern]

  Support Role
• 
  Choi Jung Woo

  Lee Taek Gyung [Shi Joon's father]

  Support Role
• 
  Park Hyun Sook

  Oh Hwa Young [Nurse]

  Support Role
• 
  Kim Dong Young

  Cha Dong Il

  Support Role

Guest Role

• 
  Baek Soo Hee

  Kim Yoo Ra (Ep. 1)

  Guest Role
• 
  Kim Woo Jin

  [Ensemble member] (Ep. 1)

  Guest Role
• 
  Lee Seung Hyung

  [Musical PD] (Ep. 1)

  Guest Role
• 
  Chae Yoo Hee

  [Child's mother] (Ep. 1)

  Guest Role
• 
  Wi Ha Joon

  Oh Yoo Min (Ep. 1, 4)

  Guest Role
• 
  Ha Yul Ri

  Baek Je Ni (Ep. 1-2)

  Guest Role
• 
  Lee Chan Hee

  Hwang Min Wook (Ep. 1-2, 7-8)

  Guest Role
• 
  Lee Ji Soo

  Lee Ji Soo (Ep. 2)

  Guest Role
• 
  Lee Yun Ha

  Lee Yun Ha (Ep. 2)

  Guest Role
• 
  Choi Seo Yeon

  Choi Seo Yeon (Ep. 2)

  Guest Role
• 
  Kim Han Sang

  [TV production truck staff] (Ep. 2)

  Guest Role
• 
  Lee Sung Min

  [Doctor] (Ep. 3)

  Guest Role
• 
  Park Jung Eon

  [Judge] (Ep. 4)

  Guest Role
• 
  Kim Gyeong Min

  [Gi Tae's friend] (Ep. 4)

  Guest Role
• 
  Park Soo Oh

  Park Luo (Ep. 5)

  Guest Role
• 
  Jung Jae Oh

  Sung Min Ho (Ep. 5)

  Guest Role
• 
  Lee No Ah

  Hwang Bo Young (Ep. 5)

  Guest Role
• 
  Oh Yoon Hong

  [Doctor] (Ep. 5)

  Guest Role
• 
  Song Young Jae

  [Sung Min Ho's father] (Ep. 5)

  Guest Role
• 
  Yoo Yong

  [Musical director] (Ep. 6)

  Guest Role
• 
  Hong Ye Ji

  [Anorexic patient] (Ep. 6)

  Guest Role
• 
  Shin Hye Kyung

  [Woo Joo's adoptive mother] (Ep. 6, 14, 28)

  Guest Role
• 
  Park Geon Rak

  [Detective] (Ep. 7)

  Guest Role
• 
  Bo Ra Na

  [Park Luo's mother] (Ep. 7, 11)

  Guest Role
• 
  Kim Hyun

  [Patient] (Ep. 8)

  Guest Role
• 
  Park Jin Soo

  [Convenience store cashier] (Ep. 8)

  Guest Role
• 
  Ji Joo Yeon

  Jung Se Yeon (Ep. 9)

  Guest Role
• 
  Moon Hak Jin

  [Doctor] (Ep. 9)

  Guest Role
• 
  Jang Young Hyun

  [Patient with tic disorder] (Ep. 9, 32)

  Guest Role
• 
  Na Seok Min

  [Security guard] (Ep. 10)

  Guest Role
• 
  Bang Joo Hwan

  Bae Yeong O (Ep. 11-12)

  Guest Role
• 
  Ahn Sung Gun

  [Doctor] (Ep. 11-12)

  Guest Role
• 
  Song Ji Ho

  Shin Jong Shik (Ep. 11-12)

  Guest Role
• 
  Shin Hee Gook

  [Doctor] (Ep. 11-12)

  Guest Role
• 
  Kang Shin Il

  Go Sang Mu (Ep. 13-14)

  Guest Role
• 
  Oh Hyun Seung

  [Assemblyman Ko's assistant] (Ep. 13-14)

  Guest Role
• 
  Jung Ji Soon

  [Subway driver] (Ep. 14)

  Guest Role
• 
  Yoo Soo Ho

  Yoo Soo Ho (Ep. 14-15)

  Guest Role
• 
  Ban Hye Young

  [Pregnant subway passenger] (Ep. 15)

  Guest Role
• 
  Won Chun Gyu

  [Se Yeon's father] (Ep. 17)

  Guest Role
• 
  Seo Yoon Ah

  [Hong Min's younger sister] (Ep. 17)

  Guest Role
• 
  Oh Ryoong

  Baek Hong Min (Ep. 17-21)

  Guest Role
• 
  Han Ji Eun

  Jeong Eun Hee (Ep. 18)

  Guest Role
• 
  Kim Deok Ju

  Jeong Eun Hee (Ep. 18)

  Guest Role
• 
  Kim Hye Eun

  [Patient] (Ep. 18)

  Guest Role
• 
  Go Han Min

  [Firefighter] (Ep. 18)

  Guest Role
• 
  Lee Hyun Ho

  [Firefighter] (Ep. 18)

  Guest Role
• 
  Jung Woo Young

  [Firefighter at group therapy (Ep. 18)

  Guest Role
• 
  Park Seon Hu

  Baek Hong Min [Child] (Ep. 20)

  Guest Role
• 
  Ban Hyo Jung

  Gu Won Sook (Ep. 20-21)

  Guest Role
• 
  Park Ye Young

  Heo Min Yeong (Ep. 21-23)

  Guest Role
• 
  Chung Ye Jin

  [Nurse] (Ep. 21-23)

  Guest Role
• 
  Park Min Young

  [Nurse] (Ep. 21-23)

  Guest Role
• 
  Seo Eun Ah

  Na Seong Gyeong (Ep. 21-24)

  Guest Role
• 
  Kim Sang Bo

  Detective Joo (Ep. 21-25)

  Guest Role
• 
  Lee Kan Hee

  [Nurse Heo's mother] (Ep. 22-23)

  Guest Role
• 
  Min Pil Joon

  [Musical acting teacher] (Ep. 23)

  Guest Role
• 
  Noh Jae Hoon

  Kang Jin Ho (Ep. 24)

  Guest Role
• 
  Park Byung Wook

  [Patient] (Ep. 24)

  Guest Role
• 
  Bae Min Jun

  Kang Jin Woo (Ep. 24, 26, 29)

  Guest Role
• 
  Lee Young Joo

  Park Geum Ja (Ep. 25)

  Guest Role
• 
  Jeong Yoon Hee

  [Reporter] (Ep. 25)

  Guest Role
• 
  Park Jung Min

  [Doctor] (Ep. 25-26)

  Guest Role
• 
  Lee Ja Ryoung

  [Psychiatrist] (Ep. 26)

  Guest Role
• 
  Jang Yu Bin

  [Nun] (Ep. 27-28)

  Guest Role
• 
  Hong Ru Hyeon

  [Woo Joo's birth mother] (Ep. 28)

  Guest Role
• 
  Ryu Shi Won

  Song Min Soo (Ep. 28-29)

  Guest Role
• 
  Lim Ha Bi

  Han Woo Joo [Child] (Ep. 28, 32)

  Guest Role
• 
  Kim Ji Na

  [Theatrical therapy instructor] (Ep. 31)

  Guest Role
• 
  Chunji

  Hwang Min Wook

  Guest Role
• 
  Hwang Hee Jung

  [Employee]

  Guest Role
• 
  Han Hee Jung

  [Neurosurgeon]

  Guest Role
• 
  Richard Kim

  [Restaurant guest]

  Guest Role
• 
  Jung Joon

  [Classroom student]

  Guest Role
• 
  Jang Eun Seo

  [Nurse]

  Guest Role
• 
  Kim Dae Kook

  [Surgery resident]

  Guest Role

Unknown

• 
  Lee Ji Hyun Unknown
• 
  Park Min Kwan Unknown
• 
  Kim Dong Gyu Unknown