Frank Welker
Garfield / Keith / Prop Boy / Additional Voices (voice)
Rajia Baroudi
Sheila / Concertina Girl (voice)
Gregg Berger
Odie / Shecky / Hale (voice)
Jason Marsden
Nermal (voice)
Audrey Wasilewski
Arlene / Zelda / Betty / Ashley (voice)
Pat Fraley
Delivery Gnome / Sid (voice)
Wally Wingert
Jon Arbuckle / Mike (voice)
Neil Ross
Wally / Charles (voice)
Jennifer Darling
Bonita / Mother / Rusty / Bobby (voice)
David Michie
Tape Holder (voice)
Harold Perrineau
Husband (voice)
Stephen Stanton
Randy / Father (voice)
Fred Tatasciore
Billy / Waldo / Eric (voice)