Frank Collison
Zoo Keeper
Robbie Coltrane
Bill Lintz
Philip Baker Hall
Minister
Paul Reubens
Professor Spatz
Alan Cumming
Dick Croner
Rene Russo
Trudy Lintz
Frank Welker
Buddy (voice)
Dane Cook
Fair Cop
Irma P. Hall
Emma
John Ennis
Policeman
Mimi Kennedy
Mrs. Bowman
John Aylward
Joe Bowman
Michael Reid MacKay
Skinny Man
Gary A. Hecker
Buddy (voice)