Frank Welker as Garfield / Delivery Gnome / Prop Boy / Leonard / Jeff (voice)

Tim Conway as Freddy Frog / Gate Guard / Roger / Narrator (voice)

Gregg Berger as Odie (voice)

Wally Wingert as Jon Arbuckle (voice)

Audrey Wasilewski as Arlene / Zelda / Momma Bear (voice)

Fred Tatasciore as Billy Bear / Junior Bear (voice)

Stephen Stanton as Randy Rabbit / Stanislavsky (voice)

Greg Eagles as Eli (voice)

Jason Marsden as Nermal / Ramone (voice)

Cathy Cavadini as Additional Voices (voice)

Paige Pollack as Additional Voices (voice)

David Michie as Additional Voices (voice)

Greg Finley as Additional Voices (voice)

Ruth Zalduondo as Additional Voices (voice)

Jeff Fischer as Additional Voices (voice)

Kaden Dippe as Additional Voices (voice)