Special Labor Inspector Mr. Jo

Composer

• 
  Mun Seong Nam

Director

• 
  Park Won Gook
• 
  Sung Chi Wook

Martial Arts Director

• 
  Jung Doo Hong

Screenwriter

• 
  Kim Ban Di

Main Role

• 
  Kim Dong Wook

  Jo Jin Gap / "Jo Jang Poong"

  Main Role
• 
  Park Se Young

  Ju Mi Ran

  Main Role
• 
  Kim Kyung Nam

  Chun Deok Goo

  Main Role
• 
  Ryu Deok Hwan

  Woo Do Ha

  Main Role

Support Role

• 
  Seor In A

  Go Mal Sook [Seo Ra's secretary]

  Support Role
• 
  Oh Dae Hwan

  Goo Dae Gil [Chairman]

  Support Role
• 
  Lee Won Jong

  Ha Ji Man [Director of Labor Inspection]

  Support Role
• 
  Kang Seo Joon

  Lee Dong Young [Labor Inspector]

  Support Role
• 
  Lee Sang Yi

  Yang Tae Soo [Vice President of Myeongseong Group]

  Support Role
• 
  Ahn Sang Woo

  Hwang Doo Shik [Labor Inspector Manager]

  Support Role
• 
  Song Ok Sook

  Choi Seo Ra [Chairwoman of Myeongseong Group]

  Support Role
• 
  Kim Hong Pa

  Jo Jin Cheol [Jin Gap's father]

  Support Role
• 
  Yoo Soo Bin

  Baek Won Man [AB Planning - Mgr]

  Support Role
• 
  Kim Si Eun

  Oh Dae Ri [AB Planning Asst Mgr]

  Support Role
• 
  Go Geon Han

  Kim Sun Woo [Sangdo Express]

  Support Role
• 
  Lee Na Yoon

  Jo Jin Ah [Jin Gap & Mi Ran's daughter]

  Support Role
• 
  Cha Jung Won

  Kim Jin Ran [Prosecutor]

  Support Role
• 
  Jeon Gook Hwan

  Yang In Tae [Tae Su's father]

  Support Role
• 
  Hong Suk Bin

  Mr. Kim [Dae Gil’s chauffeur]

  Support Role
• 
  Hwang Jae Yeol

  [Sangdo Express Union member]

  Support Role
• 
  Jung Ji Ho

  Director Hwang [Sangdo Express]

  Support Role
• 
  Yang Seung Geol

  [Sangdo Express Union member]

  Support Role
• 
  Ahn Soo Bin

  Shim Hyun Sook

  Support Role
• 
  Jung Ye Nok

  Yoo Jung

  Support Role
• 
  Seo Jung Wook

  [Chief of the department of commerce]

  Support Role
• 
  Jeon Yeo Jin

  Heo Ji Eun

  Support Role
• 
  Yoon Mi Kyung

  Jang Eun Ji

  Support Role

Guest Role

• 
  Lee Dong Yong

  [Convenience Store Owner] (Ep1,11)

  Guest Role
• 
  Park Young Soo

  ["Good Friend" IT scammer] (Ep. 11, 15)

  Guest Role
• 
  Kim Tae Gyum

  Kang Min Seok [Doctor] (Ep.12-16, 18, 24)

  Guest Role
• 
  Park Yong

  [Chief director] (Ep. 14, 16, 20)

  Guest Role
• 
  Kang Moon Kyung

  [Banker]

  Guest Role
• 
  Kim Dong Ha

  Jin Gap [Young]

  Guest Role
• 
  Moon Hak Jin

  [Team destroying evidence]

  Guest Role
• 
  Seo Kwang Jae

  Director [Industrial Accident Compensation Comm] (Ep. 18-19, 24)

  Guest Role
• 
  Choi Na Moo

  [Nurse] (Ep. 17, 21, 32)

  Guest Role
• 
  Park Ji Yun

  [Lee Chang Gyu's wife] (Ep.18-19, 31-32)

  Guest Role
• 
  Song Young Jae

  [Factory owner] (Ep. 25-26)

  Guest Role
• 
  Kwon Hyuk Soo

  [Minister of Employment and Labor](Ep.26)

  Guest Role
• 
  Joel Roberts

  Micheal (Ep.28)

  Guest Role
• 
  Park Geon Rak

  [Inspection department head office]

  Guest Role
• 
  Lee Yoon Sang

  [Work for Yang In Tae] (Ep.32)

  Guest Role
• 
  Kim Seung Chan

  [Pizza delivery part-timer]

  Guest Role
• 
  Lee Sol Gu

  [Restaurant Delivery Service Owner]

  Guest Role
• 
  Lee Dong Hyeon

  [Bossam delivery part-timer]

  Guest Role
• 
  Seo Kyung Suk

  [Moderator for Campaign Candidates TV debate]

  Guest Role
• 
  Shim Hye Yun

  Jo Jin Ah [Young]

  Guest Role
• 
  Lee Jun Seo

  [Chinese house delivery part-timer]

  Guest Role
• 
  Kim Seo Yoon

  Seon Joo [Part-timer]

  Guest Role
• 
  Kim Jin Sung

  Koo Min Jae [Dae Gil’s son]

  Guest Role
• 
  Jung Dong Geun

  [Accountant at Sangdo Express]

  Guest Role
• 
  Kim Yong Jin

  [Sangdo Express Manager]

  Guest Role
• 
  Son Jin Hwan

  [Head of Myeongseong Hospital]

  Guest Role
• 
  Hong Je Yi

  Kim Ji Ho [Sun Woo’s daughter]

  Guest Role
• 
  Yoo Soon Woong

  [Witness with prosthetic leg]

  Guest Role
• 
  Shin Chul Jin

  [Testified of injuries to Industrial Accident Compensation Comm]

  Guest Role
• 
  Moon Young Dong

  [Sangdo Express Union member]

  Guest Role
• 
  Keum Dong Hyun

  [Sangdo Express Union member]

  Guest Role
• 
  Kim Wang Geun

  [Police Chief]

  Guest Role
• 
  Lee Hyun Kul

  Secretary Nam [Yang In Tae's aide]

  Guest Role
• 
  Lee Gyu Hyun

  Lee Chang Gyu [Intern Doctor]

  Guest Role
• 
  Kim Yeong Jun

  Jo Jin Gap [Teen]

  Guest Role
• 
  Park Gye Yoon

  Snack Bar delivery part-timer

  Guest Role
• 
  Min Jung Sup

  [Laborers joining hands] (Ep.32)

  Guest Role
• 
  Jang Ho Joon

  [Chicken delivery part-timer]

  Guest Role
• 
  Kwon Hyuk Bum

  [Illegal broker runs “Kingsman” system ](Ep.30)

  Guest Role
• 
  Jeon Jeong Il

  Director Jeong

  Guest Role
• 
  Kim Won Shik

  [Human President]

  Guest Role
• 
  Jin Hyun Kwang

  [Company employee]

  Guest Role
• 
  Heo Soo Bin

  [secretary]

  Guest Role
• 
  Ji Eun

  Lee Gyeong Mi [Accounting Dept, Seongang]

  Guest Role
• 
  Sazal Kim

  [Labourer] (Ep. 10)

  Guest Role
• 
  Im Jae Geun

  [Dae Gil’s black suit security]

  Guest Role
• 
  Park Ji An

  Jang Eun Mi [Human Tech dispatched employee]

  Guest Role
• 
  Seo Hee

  Nurse Song Ji Young

  Guest Role
• 
  Lee Soo Yong

  [Prisoner]

  Guest Role
• 
  Jung Se Hyun

  [Part-time worker]

  Guest Role
• 
  Lee Si Young

  [Staff]

  Guest Role
• 
  Shin Ha Jun

  [Bus driver]

  Guest Role
• 
  Lim Ha Bi

  Jin Hee [Chang Gyu's daughter]

  Guest Role
• 
  Hwang Bo Kwon

  [TS employee]

  Guest Role
• 
  Han Song Ho

  [Bus Mechanic]

  Guest Role
• 
  Park Se Hoon

  [Studio employee]

  Guest Role
• 
  Kim I San

  [Bus driver]

  Guest Role
• 
  Seo Se Myung

  [Phishing Scammer]

  Guest Role
• 
  Moon Jin Seung

  [Junior Detective]

  Guest Role
• 
  Kim Geon Ho Guest Role
• 
  Hong Seong Gwan

  [Stowaway ring boss]

  Guest Role
• 
  Seo Beom Shik

  [Thug strung up in auto salvage yard]

  Guest Role
• 
  Lee Ji Hoon

  Section Chief Maeng [Industrial Accident Compensation Comm]

  Guest Role
• 
  Jung Ji Eun

  [Secretary]

  Guest Role
• 
  Kim Do Won

  [Dancing child]

  Guest Role
• 
  Kim Joo Young

  [Waitress]

  Guest Role
• 
  Jang Ye Rim

  [Job seeking woman]

  Guest Role
• 
  Kim Seung Hyun

  [Election service]

  Guest Role
• 
  Mi So Yun

  [Sangdo passenger]

  Guest Role
• 
  Shin Jae Won

  [Bus boy] (Ep. 6)

  Guest Role
• 
  Seol Chang Hee Guest Role
• 
  Jeong Yoon Hee Guest Role
• 
  Lee Kyung Oh

  [Board member]

  Guest Role
• 
  Hwang Sun Young

  [Hak Soo's wife]

  Guest Role
• 
  Lee Dong Gyu

  [Reporter covering golfers]

  Guest Role
• 
  Ahn Hye Won

  [Tax staff]

  Guest Role
• 
  Shin Hee Gook Guest Role
• 
  Han Sang Chul

  [Civil petitioner]

  Guest Role
• 
  Lee Ye Bit

  [Little girl falling on the bus]

  Guest Role

Unknown

• 
  Park Yeon Soo Unknown
• 
  Shin Yeon Mi Unknown
• 
  Chu Yeon Gyu Unknown
• 
  Lee Seo Hwan Unknown
• 
  Kim Mi Hye Unknown
• 
  Jang Joon Ho Unknown
• 
  Han Ji Won Unknown
• 
  Han Myung Hwan Unknown
• 
  Jung Hyun Seok Unknown
• 
  Kim Hye Ran Unknown
• 
  Kim Jin Sub Unknown
• 
  Bae Ha Neul Unknown
• 
  Shin Seung Ryul Unknown

Bit part

• 
  Han Yeo Wool Bit part