Frank Welker

as Garfield / Keith / Prop Boy / Additional Voices (voice)

Rajia Baroudi

as Sheila / Concertina Girl (voice)

Gregg Berger

as Odie / Shecky / Hale (voice)

Greg Eagles

as Eli (voice)

Jason Marsden

as Nermal (voice)

Audrey Wasilewski

as Arlene / Zelda / Betty / Ashley (voice)

Pat Fraley

as Delivery Gnome / Sid (voice)

Wally Wingert

as Jon Arbuckle / Mike (voice)

Neil Ross

as Wally / Charles (voice)

Jennifer Darling

as Bonita / Mother / Rusty / Bobby (voice)

David Michie

as Tape Holder (voice)

Harold Perrineau

as Husband (voice)

Stephen Stanton

as Randy / Father (voice)

Fred Tatasciore

as Billy / Waldo / Eric (voice)