Composer
Director
Martial Arts Director
Screenwriter
Main Role
- Han Hyo Joo Main Role
- Lee Jong Suk Main Role
Support Role
- Kim Eui SungOh Sung Moo [Yeon Joo's father]Support Role
- Lee Tae HwanSeo Do Yoon [Kang Chul's bodyguard]Support Role
- Jung EugeneYoon Soo Hee [Kang Chul's secretary]Support Role
- Lee Si EonPark Soo Bong [Sung Moo's subordinate]Support Role
- Kang Ki YoungKang Suk Bum [Yeon Joo's co-worker]Support Role
- Heo Jung DoPark Min Soo [Yeon Joo's boss]Support Role
- Park Won SangProsecutor Han Chul Ho [Kang Chul's rival]Support Role
- Cha Kwang SooSon Hyun Suk [Kang Chul's boss]Support Role
- Lee Se RangKil Soo Young [Yeon Joo's aunt]Support Role
- Nam Ki AeKil Soo Sun [Yeon Joo's mom]Support Role
- Ryu Hye RinSun Mi [Sung Moo's subordinate]Support Role
- Park Sung TaekDetective ParkSupport Role
- Yang Hye JiYoon Hee [Sung Moo's subordinate]Support Role
- Lee Chae KyungNurse JungSupport Role
Guest Role
- Park Choong SeonKang Yun [Kang Cheol's father] (Ep. 1)Guest Role
- Kim Na WoonYoon Mi Ho [Kang Chul's mother] (Ep. 1)Guest Role
- Choi Min YoungJoon Seok [Kang Chul's younger brother] (Ep. 1)Guest Role
- Seo Shin AeKang Soo Yeon [Kang Chul's younger sister] (Ep. 1)Guest Role
- Kim Ji Eun[Girl at bus stop] (Ep. 3)Guest Role
- Ahn Se HaKim Pung Ho [Yeon Joo's blind date] (Ep. 6)Guest Role
- Hwang Seok Jeong[Webtoon writer] (Ep. 6)Guest Role
- Oh Hee Joon[Motel receptionist] (Ep. 16)Guest Role
- Ri MinTeam leader ParkGuest Role
- Jung Ji SoOh Yun Joo [Young]Guest Role
- Park Min HaOh Yeon Joo [Young]Guest Role
- Noh Haeng HaKim Yoo Ri [Yeon Joo's ancestor]Guest Role
- Kang Pil Sun[Doctor]Guest Role
- Kim Mi Hye[Reporter]Guest Role
- Jin Hyun Kwang[Policeman]Guest Role
- Kim Ik Tae[Lawmaker]Guest Role
- Kim Deuk Gyum[Hotel waiter]Guest Role
- Song Jae Ryong[Game speaker]Guest Role
- Park Se Hoon[Psychiatric hospital nurse]Guest Role
- Park Sook Myung[Market clothing store owner]Guest Role
- Park Won Ho Guest Role
- Sul Ji Yoon Guest Role
Unknown
- Seo Kwang Jae Unknown
- Dong Yoon Seok Unknown
- Kim Jae Il Unknown
- Park Geon Rak Unknown
- Yeo Woon Bok Unknown
- Nam Jin Bok Unknown
- Min Joon Ho Unknown
- Kim Kwang Hyun Unknown
- Seo Jin Wook Unknown
- Lim Jae Min Unknown
- Son Min Woo Unknown
- Yang Seung Kul Unknown
- Choi Young Unknown
- Kim Joo Young Unknown
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