Full cast of Captain Simian & the Space Monkeys

James Avery

Gor-illa (voice)

26 episodes

Karen Maruyama

Shao Lin (voice)

26 episodes

Jerry Doyle

Captain Simian (voice)

26 episodes

Dom Irrera

Spydor (voice)

26 episodes

Maurice LaMarche

Dr. Splitz/Splitzy (voice)

26 episodes

Jeff Bennett

Orbitron (voice)

26 episodes

Michael Dorn

Nebula (voice)

14 episodes

Malcolm McDowell

Rhesus 2 (voice)

14 episodes

David Carradine

Mandrax (voice)

3 episodes

Oliver Muirhead

Grxylpk / The " " (voice) / The " " (voice)

3 episodes

Frank Welker

Apax (voice)

2 episodes

Ellen Gerstell

Doctor Kleb (voice) / Commander Gril (voice)

2 episodes

René Auberjonois

Gardener / Alien Gladioluses (voice)

1 episode

Jerry Houser

Larnus / Tronus (voice)

1 episode

Tress MacNeille

Vel-Dar (voice)

1 episode

David Warner

The Glyph (voice)

1 episode

Andrea Thompson

Lilith (voice)

1 episode