Alexi Volkoff (3 episodes)

Richard Macksey (7 episodes)

Wade Cutler (1 episode)

Man with Money (1 episode)

Dietrich (11 episodes)

Finn Miller (1 episode)

Finn / Magoth (3 episodes)

Roy Lewis (1 episode)

Rene Oban / Louis T. Steinhil (2 episodes)

Mickey (3 episodes)

Yuri (3 episodes)

Rex Wilson (1 episode)

Nikolai Malkin (1 episode)

Barris Stone (1 episode)

Adam Dury (1 episode)

Ishmael Gregor (7 episodes)

James Shay (9 episodes)

Scientist (1 episode)

Snyder (1 episode)

Slavi

Richard Hubbard (3 episodes)

Ben Snyder (1 episode)

Crosby (2 episodes)

Joshua (1 episode)

Will Strausser (5 episodes)

Lieutenant

Darren Riggs (1 episode)

Yegor Golenka (1 episode)

Charles Roker (1 episode)

Winston Hinkle (1 episode)

Pieter (1 episode)

Johnny Crowder (35 episodes)

Tom (1 episode)

Jacob Quinn

Sasha (1 episode)

Percy Hendricks (1 episode)

Phil (1 episode)

Soldier

Lieutenant Greitzer (uncredited)

Russell (7 episodes)

Russell (uncredited) (3 episodes)

Derek (1 episode)

Rohtul (1 episode)

Ray Kaspo (1 episode)

Boyd Waldrip (1 episode)

Barry Lawrence (1 episode)

Rat-Faced Demon (1 episode)

Man #1 (1 episode)