Director
Screenwriter
Main Role
- Ju Ji HoonWoo Chae UnMain Role
- Han Hyo JooYun Ja YuMain Role
- Lee Hee JoonSeon U JaeMain Role
- Lee Moo SaengOn SanMain Role
- Park Ji YeonJung Hae DeunMain Role
Support Role
- Jun Suk HoSeo Hui [Research team 1’s head]Support Role
- Kim Sang HoKim Sin Gu [Biotech doctor]Support Role
- Yi SeoHong Sae Ip [Researcher]Support Role
- Yook Hyun Suk[U Jae’s secretary]Support Role
- Uhm Hyo SubSeon U Geun [U Jae's father]Support Role
- Jeon Gook HwanLee Mun GyuSupport Role
- Kang IanKim Ho SeungSupport Role
Guest Role
- Lee Ji HyukHan Gi Ho (Ep. 1)Guest Role
- Kim Jin GooPark Dae Seong (Ep. 1)Guest Role
- Seo Myung ChanLee Nam Jin [Chairman] (Ep. 1)Guest Role
- Kim Gyu Bin[CM model] (Ep. 1)Guest Role
- Son Kang Gook[Newspaper director] (Ep. 1)Guest Role
- Jang Eui Don[Colonel] (Ep. 2)Guest Role
- Yoon Joo Man[Black suit man] (Ep. 2)Guest Role
- Kim Won Seok[Detective] (Ep. 2-3)Guest Role
- Lee Sung Woo[Labor broker] (Ep. 3-4)Guest Role
- Kang Jung Woo[Police officer] (Ep. 4)Guest Role
- Lee Kwang Ik[Assassin] (Ep. 5)Guest Role
- Park Jung Min[Police officer] (Ep. 5)Guest Role
- Park Kyung Bok[Control room employee] (Ep. 5)Guest Role
- Shin Hee Gook[Control room employee] (Ep. 5)Guest Role
- Hyun Jin[Counselor] (Ep. 6)Guest Role
- Ahn Hyun Jung[Sin Gu's wife] (Ep. 6)Guest Role
- Kim Jung Woon[Prosecutor] (Ep. 10)Guest Role
- Sean RichardKirGuest Role
- Hong Je YiJun HuiGuest Role
- Kang Seo YeonWoo Cheong AGuest Role
- Han Eun Seong[Captain]Guest Role
- Choi Young Joon[Man with scar]Guest Role
- Kim Byung Chul[Seon U Jae’s secretary]Guest Role
Unknown
- Park Sung Kyu Unknown
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