Frank Welker
Garfield / Garzooka / Narrator (voice)
Vanessa Marshall
Vetvix (voice)
Gregg Berger
Odie / Odious (voice)
Wally Wingert
Jon Arbuckle / Emperor Jon (voice)
Audrey Wasilewski
Arlene / Starlena (voice)
Jason Marsden
Nermal / Abnermal (voice)
Fred Tatasciore
Billy Bear / Horned Guard (voice)
Stephen Stanton
Randy Rabbit / News Guy / Skinny Guard (voice)
Jennifer Darling
Betty / Bonita (voice)
Neil Ross
Wally / Professor Wally / Charles (voice)
Greg Eagles
Eli (voice)
Cathy Cavadini
Additional Voices (voice)
Paige Pollack
Additional Voices (voice)
David Michie
Additional Voices (voice)
Greg Finley
Additional Voices (voice)
Ruth Zalduondo
Additional Voices (voice)
Jeff Fischer
Additional Voices (voice)