Sean Baek

as Ken Yoon (20 episodes)

as Theo

as Hal (1 episode)

as Oleg (3 episodes)

as Hideo

as Dr. Andrew Zhang (4 episodes)

as Ryden (10 episodes)

as Tomo Yamato (1 episode)

as Detective Jones

as Lawrence (1 episode)

as Shinigami (1 episode)

as Dalton Yi (1 episode)

as Commander Kunis (2 episodes)

as Simon Peng (3 episodes)

as Norris Pang (8 episodes)

as Fancy Lee (25 episodes)

as Franklin Lewis (1 episode)

as Ops (1 episode)

as Jeff

as Bunwa

as Monk Guard (1 episode)

as Bradley Channing (1 episode)

as Sun-June

as Mr. Aaron Park (1 episode)

as Accomplice / Jack Kim