Episode 4 S01 E04

Cha Seung-won (as Lim Sang) Kim Seon-ho (as Director Choe) Kim Kang-woo (as Agent Paul) Jo Yoon-soo (as Chae Jagyeong) Moo Jin-sung (as Yeon MoYong) Kim Ju-hun (as Director Sa) Lee Ki-young (as 1st vice-chief) Jo Yong-geun (as Agent) Justin John Harvey (as Crocodile 1)

biological weapon miniseries spin off black ops