Composer
Director
Martial Arts Director
Screenwriter
Main Role
- Kim Dong Wook Main Role
- Park Se Young Main Role
- Kim Kyung Nam Main Role
- Ryu Deok Hwan Main Role
Support Role
- Seol In AhGo Mal Sook [Seo Ra's secretary]Support Role
- Oh Dae HwanGoo Dae Gil [Chairman]Support Role
- Lee Won JongHa Ji Man [Director of Labor Inspection]Support Role
- Kang Seo JoonLee Dong Young [Labor Inspector]Support Role
- Lee Sang YiYang Tae Soo [Vice President of Myeongseong Group]Support Role
- Ahn Sang WooHwang Doo Shik [Labor Inspector Manager]Support Role
- Song Ok SookChoi Seo Ra [Chairwoman of Myeongseong Group]Support Role
- Kim Hong PaJo Jin Cheol [Jin Gap's father]Support Role
- Yoo Soo BinBaek Won Man [AB Planning - Mgr]Support Role
- Kim Shi EunOh Dae Ri [AB Planning Asst Mgr]Support Role
- Go Geon HanKim Sun Woo [Sangdo Express]Support Role
- Lee Na YoonJo Jin Ah [Jin Gap & Mi Ran's daughter]Support Role
- Cha Jung WonKim Jin Ran [Prosecutor]Support Role
- Jeon Gook HwanYang In Tae [Tae Soo's father]Support Role
- Hong Suk BinMr. Kim [Dae Gil’s chauffeur]Support Role
- Hwang Jae Yeol[Sangdo Express Union member]Support Role
- Jung Ji HoDirector Hwang [Sangdo Express]Support Role
- Yang Seung Kul[Sangdo Express Union member]Support Role
- Ahn Soo BinShim Hyun SookSupport Role
- Jung Ye NokYoo JungSupport Role
- Yoon Mi KyungJang Eun JiSupport Role
- Seo Jung Wook[Chief of the department of commerce]Support Role
- Jeon Yeo JinHeo Ji EunSupport 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 GyumKang 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 HaJin Gap [Young]Guest Role
- Moon Hak Jin[Team destroying evidence]Guest Role
- Seo Kwang JaeDirector [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 RobertsMicheal (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 YunJo Jin Ah [Young]Guest Role
- Lee Jun Seo[Chinese house delivery part-timer]Guest Role
- Kim Seo YoonSeon Joo [Part-timer]Guest Role
- Kim Jin SungKoo 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 YiKim 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 KulSecretary Nam [Yang In Tae's aide]Guest Role
- Lee Gyu HyunLee Chang Gyu [Intern Doctor]Guest Role
- Kim Yeong JunJo Jin Gap [Teen]Guest Role
- Park Gye YoonSnack Bar delivery part-timerGuest 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
- Jun Jung IlDirector JeongGuest Role
- Kim Won Shik[Human President]Guest Role
- Jin Hyun Kwang[Company employee]Guest Role
- Heo Soo Bin[secretary]Guest Role
- Ji EunLee Kyung Mi [Accounting Dept, Seongang]Guest Role
- Han Sang Chul[Civil petitioner]Guest Role
- Lee Ye Bit[Little girl falling on the bus]Guest Role
- Sazal Kim[Labourer] (Ep. 10)Guest Role
- Im Jae Geun[Dae Gil’s black suit security]Guest Role
- Park Ji AnJang Eun Mi [Human Tech dispatched employee]Guest Role
- Seo HeeNurse Song Ji YoungGuest 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 BiJin 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 Jae Cheol Guest Role
- Hong Seong Gwan[Stowaway ring boss]Guest Role
- Seo Beom Shik[Thug strung up in auto salvage yard]Guest Role
- Lee Ji HoonSection 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
- Ahn Hye Won[Tax staff]Guest Role
- Shin Hee Gook Guest Role
- Lee Dong Kyu[Reporter covering golfers]Guest Role
Unknown
- Park Yeon Soo Unknown
- Bae Ha Neul Unknown
- Shin Seung Ryul 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
Bit part
- Han Yeo Wool Bit part
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