Sean Astin
Chester (voice) (104 eps)
Brian Kimmet
Harold (voice) (104 eps)
Chris Kattan
Bunnicula / Mina's Dad (voice) (104 eps)
Kari Wahlgren
Mina (voice) (104 eps)
Eric Bauza
Patches the Weredude (voice) (67 eps)
Richard Steven Horvitz
Lugosi (voice) (65 eps)
Sonya Leslie
Queen Shelia (voice) (2 eps)
Fred Tatasciore
Count Orlock (voice) (2 eps)
Patrick Seitz
Treegor (voice) (2 eps)
Rhasaan Orange
Futbol Furries Leader (voice) (2 eps)
Steve Blum
Cat Shaver (voice) (2 eps)
Tom Kenny
Mr. Molesby / Moles (voice) (1 eps)
Carlos Alazraqui
Giant Snake (voice) (1 eps)
Laraine Newman
Greta (voice) (1 eps)
Harland Williams
Thomas Edison's Ghost / Alien (voice) (1 eps)
Chad Doreck
Colt Bifton (voice) (1 eps)
Joe J. Thomas
Pa Rabbit (voice) (1 eps)
Carl Lumbly
Lead Prison Guard / Vampire Bat (voice) (1 eps)
Daran Norris
Agent 51 (voice) (1 eps)
Rick Zieff
General Cashews (voice) (1 eps)
Yuri Lowenthal
Zakarov (voice) (1 eps)
Donovan Patton
Putt-Putt Pete (voice) (1 eps)
Max Mittelman
Genie (voice) (1 eps)
Gail Bean
Tabitha (voice) (1 eps)
Robert Catrini
Rat Pack Boss (voice) (1 eps)
Jasmine Kaur
DJ Demon (voice) (1 eps)
Will Friedle
Captain Science Magic Love (voice) (1 eps)
P.J. Byrne
Boogaloo (voice) (1 eps)
David Shaughnessy
Harold's Tail (voice) (1 eps)
Roger Craig Smith
Party Animal (voice) (1 eps)
Trevor Devall
Lucky Cricket (voice) (1 eps)