Characters played by Shin Ha-kyun
Woo Tae Seok
Characters played by Seol Lee
Eun Sun Jae
Characters played by Park Ho-San
Jeon Choon Man
Characters played by Hee-seok Yun
Jo Doo Jin [Public Relations Officer]
Characters played by Baro
Chae Dong Yoon [Tae Seok's partner]
Characters played by Da-bin Bae
Shin Ka Young [Detective]
Characters played by Yoo-ram Bae
Ban Ji Deuk [Hacker]
Characters played by Yoon-Kyoung Bae
Woo Tae Hee [Tae Seok's sister]
Characters played by Gun-Woo Kim
Jang Hyung Min
Jang Seon Ho
Characters played by Tae-ho Ryu
Choi Jung Woo [Police Chief]
Characters played by Eun-hee Hong
Kim Hae Joon [Tae Suk's wife]
Characters played by Kim Yi-Kyeong
Kwon Soo Ah
Characters played by Michelle Oh
Mother
Characters played by Joel Roberts
U.S. soldier