Phil LaMarr
Hector Con Carne (voice) (35 eps)
Grey DeLisle
Major Dr. Ghastly (voice) (35 eps)
Armin Shimerman
General Skarr/Stomach (voice) (35 eps)
Frank Welker
Boskov (voice) (35 eps)
Jesse Corti
Boskov/Commando (voice) (35 eps)
Maxwell Atoms
Cod Commando (voice) (35 eps)
Maurice LaMarche
Estroy (voice) (35 eps)
Peter Renaday
Abraham Lincoln (voice) (5 eps)
Dee Bradley Baker
Alien (voice) (3 eps)
Quinton Flynn
Max Courage (2 eps)
Billy West
Dog (voice) (2 eps)
Tom Kenny
Huckleberry Hound impression (voice) (2 eps)
Rino Romano
Destructicus Con Carne (voice) (2 eps)
Susanne Blakeslee
Hector's Mom (voice) (1 eps)
Kathryn Fiore
Agent Heidi (voice) (1 eps)
Roger L. Jackson
Mojo Jojo impression (voice) (1 eps)
Charlie Schlatter
Tony (voice) (1 eps)
Robbie Rist
Pizza Guy (voice) (1 eps)
Daniel Hagen
Monty (voice) (1 eps)
Greg Ellis
Lady of the Lake (voice) (1 eps)
Mark Hamill
Judge Bukowski (voice) (1 eps)
Gregg Berger
Baliff (voice) (1 eps)
Neil Ross
Ranger (voice) (1 eps)
Rachael MacFarlane
Nurse Buffy (voice) (1 eps)
Michael Dorn
Rupert the Green-Nosed Reindeer (voice) (1 eps)
Charlie Adler
Jack the Snowman (voice) (1 eps)
Robert Picardo
Cod Commando (voice) (1 eps)
Earl Boen
Vlad (voice) (1 eps)
Jim Rash
Ensign Slaughter (voice) (1 eps)
April Stewart
Cataclysma/Troop Terror (voice) (1 eps)
Masasa Moyo
Kablamity Jane (voice) (1 eps)