Bill Murray

Garfield (voice)

Breckin Meyer

Jon Arbuckle

Jennifer Love Hewitt

Liz

Billy Connolly

Dargis

Tim Curry

Prince (voice)

Ian Abercrombie

Smithee

Roger Rees

Mr. Hobbs

Lucy Davis

Abby

Lena Cardwell

Teenage Tourist

Veronica Alicino

Veterinary Assistant

Jane Carr

Mrs. Whitney

Oliver Muirhead

Mr. Greene