Director
Producer
Screenwriter
Main Role
- Kim Ha NeulO Wan SuMain Role
- RainSeo Do YunMain Role
Support Role
- Jung Gyu WoonKim Yong Guk [Wan Su's husband]Support Role
- Seo Yi SookPark Mi Ran [Yong Guk's mother]Support Role
- Yoon Je MoonHan Sang Il [Hwain Group's lawyer]Support Role
- Ki Eun SeJang Tae Ra [Jun Hui's mother]Support Role
- Shin Soo JungSecretary Yun [Wan Su’s secretary]Support Role
- Jung Joo YeonLee Jin / "Q1" [Wan Su's driver]Support Role
- Go YoonYong Min [Yong Guk's younger brother]Support Role
- Kim Yun JeeSeo Ji Yeon [Yong Min's wife]Support Role
- Jo Won HeeKim Du O [Yong Guk's father]Support Role
- Park Hyun SookByeon Kkoch Bun [Hwain family's head butler]Support Role
- Hwang Tae KwangPark Kyeong Ju [Hwain family's head security]Support Role
- Lee Seol HeePark Ji Eun [Hwain family's maid]Support Role
- Woo Sang HeeKim So Dam [Hwain family's maid]Support Role
- Jung Kyung SoonSim Chun Hui [Wan Su's mother]Support Role
- Kim Young PilO Hyeon Su [Wan Su's brother]Support Role
- Fila LeeLee Gyung Suk [Hwain family's maid]Support Role
Guest Role
- Park Chul Min[Reporter] (Ep. 1)Guest Role
- Park Yoo Hyun[Reporter] (Ep. 1)Guest Role
- Park Geun Wan[Embassy staff] (Ep. 1)Guest Role
- Li Yong Qun[Chinese gang boss] (Ep. 1)Guest Role
- Lee Tae Ho[Ceremony host] (Ep. 1-2)Guest Role
- Sung HyukSin Ju Hyuk [Senior inspector] (Ep. 1, 3)Guest Role
- Lee Tae GeomDetective Lee (Ep. 2)Guest Role
- Hong Yi JooDetective Choi (Ep. 2)Guest Role
- Han Joo HyunO Wan Su [Young] (Ep. 2)Guest Role
- Ryu Ji WonO Wan Su [Teenager] (Ep. 2)Guest Role
- Lee Dong Kyu[Golf announcer] (Ep. 2)Guest Role
- Jung Jung AhMs. Kim [Shaman] (Ep. 3, 7-8)Guest Role
- Kim Byung Ok[Commissioner general] (Ep. 3, 6, 9-10)Guest Role
- Robin DeianaDaniel [Ji Yeon's butler] (Ep. 4)Guest Role
- Im Jung Ok[Minister] (Ep. 4)Guest Role
- Oh Jung Won[Ji Yeon’s mom] (Ep. 4)Guest Role
- Lee Yoon SangChairman Seo [Ji Yeon's father] (Ep. 4-5)Guest Role
- Ra Kyung Deok[Loan shark] (Ep. 5)Guest Role
- Lee Hyun Woong[8 Star gang boss] (Ep. 5)Guest Role
- Lee Young Joon[8 Star gang member] (Ep. 5)Guest Role
- Kim Hyun Chang[Loan shark’s enforcer] (Ep. 5)Guest Role
- Choi Ye ChanYong Guk [Child] (Ep. 6)Guest Role
- Oh Hee JoonHwang Se Jun [Reporter] (Ep. 6)Guest Role
- Lee Su Hyung[Doctor] (Ep. 6)Guest Role
- Kwon Hae SungSeo Jin Su [Prosecutor] (Ep. 6, 9-10)Guest Role
- Lee Jae Woo[Hotel director] (Ep. 7)Guest Role
- Song A KyungAilee Katz [Attorney] (Ep. 7-8)Guest Role
- Kaare Svejgaard Olsen[Lawyer] (Ep. 8)Guest Role
- Ko Tae Jin“Q2” [Bodyguard]Guest Role
- Ki Eun YooKim Jun Hui [Tae Ra's son]Guest Role
- Ji Soo WonJang Su Ryun [Tae Ra's mother]Guest Role
- In Gyu Sik[Security guard]Guest Role
- Won Jin Ho Guest Role
- Yoo Won Cheol"Q2" [Bodyguard] (Ep. 6, 9-10)Guest Role
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