Two friends, members of the South Korean military, are recruited by a secret black ops agency.
Lee Byung-hun
Kim Hyeon-Jun
Kim So-yeon
Kim Seon-Hwa
Jung Jun-ho
Jin Sa-Woo
Kim Tae-hee
Choi Seung Hee
Kim Yeong-cheol
Baek San
T.O.P
Vick
Moon Hee-kyung
Choi Seung-hee's aunt
Hyun Jyu-ni
Yang Mi-jung
David Lee McInnis
Ray
Jung Ho-bin
Kang Chul-hwan
Kim Seung-woo
Park Cheol-yeong
Lee Jeong-kil
Jo Myeong-ho
