Ashur (10 episodes)

Fawzi (voice)

Julian Cortés (2 episodes)

Eclipso (13 episodes)

King Navid (1 episode)

Tibor Babic (1 episode)

Boone (1 episode)

Sonny

Cotyar (15 episodes)

Reiken

Vasiliy Zhirov (1 episode)

Roy Dillen

Tyler Malone (3 episodes)

Digger Harkness (3 episodes)

Digger Harkness / Captain Boomerang (1 episode)

Devon Grice (3 episodes)

Jason Goss (1 episode)

Dexter Gamble (2 episodes)

Klingon

Ashur (21 episodes)

Bobby Elber (1 episode)

Axel Finet (13 episodes)

Ralf Martan (1 episode)

Neil Massey (1 episode)

Matush (3 episodes)