Cast[]
- Frank Welker - Garfield, Eddie Gourmand, Cleaning Robot, Evil Space Lasagnas, T3000, Paddy, Happy Chapman, Lord Dargis, Police and Wendell
- Gregg Berger - Odie, Squeak, Harry, Herman Post, Omar the Genie, Louis, McBunny, Luca and Rommel
- Wally Wingert - Jon Arbuckle, Al the Dog Catcher, Hercules, Nigel, Spanky, New York Libertaby and Smithee
- Jason Marsden - Nermal, Vito, Liz's Father, Pete the Dog Catcher, Professor Bonkers, Additional Voices
- Julie Payne - Dr. Liz Wilson, Liz's Mother
- Laura Summer - Drusilla & Minerva the Twins, Additional Voices
- Audrey Wasilewski - Arlene, Newscaster