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)