Director
Screenwriter
Main Role
- Choi Kang Hee Main Role
- Yoo In Young Main Role
- Kim Ji Young Main Role
- Lee Sang Yeob Main Role
- Lee Jun YoungGang Woo WonMain Role
- Lee Jong HyukDong Gwan SooMain Role
Support Role
- Jung In KiSeo Gook Hwan [NIS]Support Role
- Park Kyung SoonBae Moo Hyuk [NIS]Support Role
- Hwang Bo MiGan Tae Hee [NIS agent]Support Role
- Woo HyunMyung Gye Chul [Il Kwang Hitech]Support Role
- Lee Sang Hoon Support Role
- Kim Yong HeeOk Chul [Il Kwang Hitech]Support Role
- Heo Jae HoByun Woo Suk [Il Kwang Hitech]Support Role
- Han Soo JinSecretary Goo [Il Kwang Hitech]Support Role
- Cha Soo YeonShim Hwa RanSupport Role
- Lee Seung HyungNam Bong ManSupport Role
- Bae Jin WoongPi Chul WoongSupport Role
- Kim Bo YunNam Joo YunSupport Role
- Won Ki JoonKang Sung JooSupport Role
- Kang Ro ChaeSon So Ri [Il Kwang Hitech]Support Role
- Jin Soo HyunHyo Jin [Il Kwang Hitech]Support Role
- Kim Jin HoGeum Dong Seok [NIS director]Support Role
- Sung HyukKwon Min Suk [NIS agent]Support Role
- Noh Ha YeonKwon So Hee [Im Ye Eun's daughter]Support Role
- Nam Jung Woo[NIS Agent]Support Role
- Kim Kyung SookPark Kyung Sook [Il Kwang Hitech]Support Role
- Kim Dong Gyun[Management Co. CEO]Support Role
Guest Role
- Seo Beom Shik[NIS agent] (Ep.8-9)Guest Role
- Park Ok Chool[Prisoner] (Ep.1)Guest Role
- Anastasiia SokolovaVarvara Massalitinova (Ep.1, 16)Guest Role
- Kyung Ki Hyun[Nightclub security] (Ep. 4)Guest Role
- Yoon Sa Bong[Prison gang boss] (Ep.1,16)Guest Role
- Kim Yoon Joo[Neighborhood mother] (Ep. 1)Guest Role
- Sung Nak Kyung[Guy in women's bathroom] (Ep.1)Guest Role
- Jang Nam YulWang Kai [Mob boss] (Ep.2, 15-16)Guest Role
- Jo Young Hoon[Il Kwang Hitech employee] (Ep.2)Guest Role
- Eom Ji Man[Security guard] (Ep.2)Guest Role
- Jung Dong Geun[NIS Agent] (Ep.2)Guest Role
- Go Han Min[NIS Agent] (Ep.2)Guest Role
- Lee Young Jin[Doctor] (Ep.5)Guest Role
- Ahn Soo Bin[Ex-girlfriend of blind date] (Ep.7)Guest Role
- Choi Yoon Bin[Shim Hwa Ran's subordinate] (Ep.8)Guest Role
- Jang Seok Hyun[Baek Chan Mi's blind date] (Ep.7,10)Guest Role
- Hong Suk Bin[Security guard] (Ep.9-10)Guest Role
- Hong Seo Joon[Team leader] (Ep. 8)Guest Role
- Nam Sung Jin[Hwang Mi Soon's Boss] (Ep.13)Guest Role
- Seo Wang Seok[Wang Kai's subordinate] (Ep. 15-16)Guest Role
- Kang Dong Yup[Prosecutor] (Ep.15)Guest Role
- Bae Sung Il[Nam Bong Man's co-worker] (Ep.15)Guest Role
- Lee Se Rang[Student's mother] (Ep.14)Guest Role
- Park Min Young[Nam Ju Yeon's teacher] (Ep. 12)Guest Role
- Lee Joong Yul[Truck driver] (Ep.13)Guest Role
- Choi Ga In[Student's mother] (Ep.14)Guest Role
- Oh Se Eun[Student] (Ep. 14-15)Guest Role
- Lee Jin Ah[Doctor] (Ep.12-13)Guest Role
- Jang Joo Yeon[Mom in elevator] (Ep.1)Guest Role
- Sun HakM (Ep.1, 6-7)Guest Role
- Lee Yoon Sang[Board of director] (Ep.15)Guest Role
- Park Ki Ryung[Board of director] (Ep.15)Guest Role
- Moon Ah Ram[Myeong Gye Cheol's secretary] (Ep. 10,13)Guest Role
- Jang Joon Ho[Board of director] (Ep.15)Guest Role
- Kim Mi Hye[Flight attendant] (Ep. 5)Guest Role
- Kim Kwon[Doctor] (Ep. 7)Guest Role
- Lee Kun Goo[Agent]Guest Role
- Park Se Hoon[Michael stand-in]Guest Role
- Han Sa Myung[Restaurant deliveryman] (Ep. 4-5)Guest Role
- Lee Gyeong Jae[Advertising staff]Guest Role
- Oh Ki Hwan[Woo Seok's informant] (Ep. 11)Guest Role
- Kim Jong Ho[Job Interviewer] (Ep. 2)Guest Role
- Kwon Ban Suk[Security guard] (Ep. 3)Guest Role
- Hong Dae Sung[NIS Agent]Guest Role
- Lee Chae Hyun Guest Role
- Kim Sung Yeol[Photographer] (Ep. 2)Guest Role
Unknown
- Kim Hwa Young Unknown
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