Director
Screenwriter
Main Role
- Cho Yeo Jung Main Role
- Kim Kang WooKang Tae WooMain Role
- Oh Na Ra Main Role
- Lee Ji HoonLee Jae HunMain Role
- Jung Woong In Main Role
Support Role
- Kim Byung GiYoon Ho Sung [Hee Joo's father]Support Role
- Ok Ye RinLee Yoo RiSupport Role
- Kil Hae YeonJang Geum Ja [Seo Yeon's mentor]Support Role
- Seo Hyun ChulOh Dae Yong [Ceo]Support Role
- Hyun WooKang Tae Hyun [Kang Tae Woo's brother]Support Role
- Yoo Young JaeKim Suk [Hacker]Support Role
- Shin Su HyunJi Ha Na [Bartender]Support Role
- Yang Hyun MinKim Do HakSupport Role
- Kim Do HyunSeo Min Gyu [Executive director]Support Role
- Lee Byung HoonPark Joon BaeSupport Role
- Goo Sung HwanHeuk Gom / "Black Bear" [Businessman]Support Role
- Yoon Ah JungYoo Mi Ra [Photographer]Support Role
- Jung Sung IlBaek Seung JaeSupport Role
- Im Tae KyungLeon / Daniel KimSupport Role
- Yoon Seo HyunJo [General manager] (Ep. 15)Support Role
- Park Sang HwiLee Sang ChulSupport Role
Guest Role
- Seo Yi AhnLeon's SubordinateGuest Role
- Kim Seung Wan[Policeman]Guest Role
- Jang Eui Don[Korean-Chinese guy] (Ep. 18)Guest Role
- Han Sang Chul[Key repairman]Guest Role
- Jun Jung Il[Factory president]Guest Role
- Kim Dae Kook[Police officer]Guest Role
- Kim In Cheol[Staff member]Guest Role
- Kim Nam Ho[Detective]Guest Role
- Gu Yun Hoi[Dealer]Guest Role
- Kwak Gi Hun[Black Bear's subordinate #3]Guest Role
- Yang Seung Ri Guest Role
- Kim Geun Young[Mi Ra's mother]Guest Role
Unknown
- Hong In Ah Unknown
- Son Hwa Young Unknown
- Shin Hye Ji Unknown
- Kim Wang Yong Unknown
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