Toni Collette

Mary (voice)

Philip Seymour Hoffman

Max (voice)

Barry Humphries

Narrator (voice)

Eric Bana

Damien (voice)

Bethany Whitmore

Young Mary (voice)

Renée Geyer

Vera Lorraine Dinkle (voice)

Ian 'Molly' Meldrum

Homeless Man (voice)

John Flaus

Harvey Krumpet / Ken / Len Hislop (voice)

Julie Forsyth

Bus Stop Mother / Kissing Woman (voice)

Christopher Massey

911 Operator / Ambulance Voice / Derisive Observer (voice)

Hamish Hughes

Animals / Mad Jury Member / Opera Singer Two (voice)

Dan Doherty

BMX Bandit (voice)

Patrick McCabe

Datsun Sunny Driver (voice)

Adam Elliot

Various Voices (voice)

Bill Murphy

Frankston Icebreaker One (voice)

Henry Karjalainen

Henry the Fish (voice)

Carolyn Shakespeare-Allen

New York Callgirl / New Yorker One (voice)

Antoinette Halloran

Opera Singer (voice)

Leanne Smith

Overeaters Anonymous Tutor / Post Office Customer (voice)