Jamie Croft as Napoleon (voice)

Philip Quast as Birdo (voice)

Carole Skinner as Cat (voice)

Susan Lyons as Napoleon's Mom (voice)

Blythe Danner as Mother Dingo (voice)

Coralie Sawade as Kids' Mother (voice)

Catherine Lambert as Lorikeet / Rabbit (voice)

Brenton Whittle as Owl / Frog / Wombat / Other Wallaby / Desert Mouse (voice)

Anne-Louise Lambert as Spider / Earless Wallaby / Desert Mouse (voice)

Frank Whitten as Koala (voice)

David Argue as Galah / Frill-necked Lizard

Steven Vidler as Snake / Galah / Desert Mouse / Turtle (voice)

Barry Humphries as Kangaroo (voice)

Reg E. Cathey as Frog (voice)

Tracey Canini as Lorikeet / Rabbit (voice)

Annabel Sims as Lorikeet / Rabbit (voice)

Neusa Timms as Lorikeet / Rabbit (voice)

Debbie Horn as Lorikeet / Rabbit (voice)

Fiona Press as Other Wallaby / Galah (voice)

Edward McQueen-Mason as Galah / Echidna (voice)

Mignon Kent as Nancy (voice)

Michael Wilkop as Sid (voice)

Casey Siemaszko as Conan (voice)

Geoffrey Bateman as Cat (voice)

Bob Glouberman as Desert Mice / Lone Lorikeet / Wallaby #2 / Wombat (voice)

Olivia Hack as Nancy (voice)

Carol Kane as Spider (voice)

Maurice LaMarche as Frill-necked Lizard / Snake / Turtle (voice)

Joan Rivers as Mother Penguin (voice)

Wallace Shawn as Echidna (voice)

David Ogden Stiers as Koala / Owl (voice)

Stuart Pankin as Perenti Lizard / Father Penguin