Director
Screenwriter
Main Role
- Kim Ha NeulSeo Jung WonMain Role
- Yeon Woo JinKim Tae HeonMain Role
- Jang Seung JoSeol Woo JaeMain Role
Support Role
- Jung Woong InSeol Pan Ho [Woo Jae's father]Support Role
- Yoon Je MoonMo Hyung Taek [Assemblyman]Support Role
- Han Chae AhYoo Yoon Young [Jung Won’s counselor]Support Role
- Jung In KiKang In Han [News director]Support Role
- Kim Min JaeJoo Young Seok [Jung Won’s partner]Support Role
- Park Hyung SooNoh Ji Ho [Jung Won’s colleague]Support Role
- Kim Ji SungYang Ae NaSupport Role
- Seo Bum JuneLee Ba Reun / "Zeus" [Reporter]Support Role
- Yoon Jung HoonOh Myung Soo [Detective]Support Role
- Kim Yong WoonTeam Leader Jung [Police officer]Support Role
- Jung Ho BinKong Joon Ho [Pan Ho's secretary]Support Role
- Hong Ji HeeMo Soo Rin [Hyun Taek's daughter]Support Role
- Han Ji EunCha Eun Sae [Actress]Support Role
- Yoon Ga YiNurse ChoiSupport Role
- Kim Seung HoonSong Hyo SungSupport Role
- Lee Soo JungSeo Jung Won [Young]Support Role
- Go Geon HanCha Geum Sae [Eun Sae's older brother]Support Role
Guest Role
- Kang Ji HoonLee Hae Jun (Ep. 1)Guest Role
- Lee Young SookJin Myung Sook (Ep. 1)Guest Role
- Kim So YangSecretary Baek [Aide] (Ep. 1)Guest Role
- Lee Dong Kyu[Anchor] (Ep. 1)Guest Role
- Uhm Hye Soo[Geum Sae’s manager] (Ep. 2)Guest Role
- Jung Hye Ji[“Nothing Uncovered” wife] (Ep. 2)Guest Role
- Lee Jong Shin[“Nothing Uncovered” husband] (Ep. 2)Guest Role
- Kim Seoung Woo[Cell phone technician] (Ep. 2-3)Guest Role
- Kim Ha Jin[NFS medical examiner] (Ep. 2, 7)Guest Role
- Lee Yoon Sang[CEO] (Ep. 3)Guest Role
- Joo Seung Min[Reporter] (Ep. 4)Guest Role
- Lee Dabitna[Reporter] (Ep. 4)Guest Role
- Jang Eun Seo[Reporter] (Ep. 4)Guest Role
- Gu Bon Jin[Leaders Palace staff] (Ep. 4)Guest Role
- Lee Eun Ju[Maid] (Ep. 5)Guest Role
- Moon Yong Il[Art museum staff] (Ep. 5)Guest Role
- Ko Do Eun[Art museum staff] (Ep. 5)Guest Role
- Yang Ha Yoon[Reporter] (Ep. 5)Guest Role
- Son Ki Chul[Reporter] (Ep. 5)Guest Role
- Jang Joon HoSon Doo In [Vice principal] (Ep. 6)Guest Role
- Kim Bum Suk[Detective] (Ep. 6)Guest Role
- Seo Gyung Hwa[Jin Soo's sister] (Ep. 6)Guest Role
- Lee Jin Soo[Internal affairs inspector] (Ep. 6)Guest Role
- Lee Jung Hyun[Gangster] (Ep. 7)Guest Role
- Seon Yool Woo[Gangster] (Ep. 7)Guest Role
- Jo Jae Young[Geum Sae's associate] (Ep. 7)Guest Role
- Park Yong[Detective] (Ep. 9)Guest Role
- Lee Jae Woo[Executive] (Ep. 9)Guest Role
- Park Byung Wook[Image analyst] (Ep. 9)Guest Role
- Jung Hyun Seok[Lawyer] (Ep. 10)Guest Role
- Son Jeong Won[Reporter] (Ep. 10)Guest Role
- Kang Hye Kyung[Reporter] (Ep. 10)Guest Role
- Kim Sa Hun[Reporter] (Ep. 10)Guest Role
- Kang Gu Ha[Detective] (Ep. 10)Guest Role
- Lee Hye Ra[Hyung Taek's wife] (Ep. 10)Guest Role
- Kim Chae Hyun[Doctor] (Ep. 11)Guest Role
- Baek Cho A[Bus passenger] (Ep. 11)Guest Role
- Ji Sung Geun[Security guard] (Ep. 11)Guest Role
- Jo Young Mi[OB-GYN] (Ep. 11-12)Guest Role
- Kim Do Shin[Building manager] (Ep. 12)Guest Role
- Lee Seung YeolKim Tae Heon [Teen] (Ep. 13)Guest Role
- Shin In Ah[Vendor] (Ep. 13)Guest Role
- Kim Se Dong[Employee] (Ep. 13)Guest Role
- Park Shin Woon[Hotel security] (Ep. 13)Guest Role
- Choi Yi Sun[Mountain center staff] (Ep. 13)Guest Role
- Byun Yoon Jeong[Joon Ho's sister] (Ep. 14)Guest Role
- Kwak Myung HwaRyu Ji Hye (Ep. 14-15)Guest Role
- Kim Deok Ju[Seok Jun's mom] (Ep. 15)Guest Role
- Kim Sun Ik[Award show host] (Ep. 15-16)Guest Role
- Park Joon Sang[Detective] (Ep. 16)Guest Role
- Sung Chan HoMin Bong Jun [CEO] (Ep. 16)Guest Role
- Park Jae Wan[Judge] (Ep. 16)Guest Role
- Lee Seung HoonKim Min ChulGuest Role
- Sung Ki YoonSeo Sang GyeonGuest Role
- Byun Sung TaeSeol Woo Jae [Teen]Guest Role
- Lee Da YeonIn Ri [Fire incident victim]Guest Role
- Jin Seo[Crime scene investigator] (Ep. 7)Guest Role
- Choo Ye JinMo Soo Rin [Young]Guest Role
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