Christopher Showerman
Julie Benz
Angus T. Jones
Thomas Haden Church
Christina Pickles
John Cleese
Michael Clarke Duncan
John Kassir
Kevin Greutert
Keith Scott

Christopher Showerman as George
Julie Benz as Ursula
Angus T. Jones as George Jr
Thomas Haden Church as Lyle Van de Groot
Christina Pickles as Beatrice Stanhope
John Cleese as Ape (voice)
Michael Clarke Duncan as Mean Lion (voice)
John Kassir as Voice of Rocky/Armando
Kevin Greutert as Tookie (voice)
Keith Scott as Narrator (voice)
Kelly Miller as Betsy
Kirstie Hutton as Tiffany
Chelsea Gibb as Courtney
Richard Mueck as Ape (as Richard J. Mueck)
Erika Heynatz as Kowalski