Isla Fisher as Maddie (voice)

Tim Minchin as Pretty Boy (voice)

Eric Bana as Chaz (voice)

Guy Pearce as Frank (voice)

Miranda Tapsell as Zoe (voice)

Angus Imrie as Nigel (voice)

Keith Urban as Doug (voice)

Aislinn Derbez as Legs (voice)

Diesel La Torraca as Chazzie (voice)

Jack Charles as Greg, the Head Frill Neck (voice)

Celeste Barber as Skylar (voice)

Gia Carides as Doreen / Dolores' Mother (voice)

Rachel House as Jacinta (voice)

Wayne Knight as Platypus (voice)

Lachlan Power as Dave, the Tasmanian Devil (voice)

Aaron Pedersen as Clive, the Dung Beetle (voice)

Kylie Minogue as Susan, the Bush Pig (voice)

Kiara Marr as Norine (voice)

Jacki Weaver as Jackie (voice)

Charmaine Bingwa as TV Reporter (voice)

Casper Cripps as Kid 2 (voice)

Freddy Cripps as Kid 3 (voice)

Harry Cripps as Fire Fighter (voice)

Liam Knight as Kid 4 (voice)

Thelma Plum as Maeve, the Female Funnel Web Spider (voice)

Lilah Yow Yeh as Dolores (voice)

John Leary as Additional Miscellaneous Voices