Amy's father, Franco, was a popular rock musician accidentally electrocuted while performing on stage. The psychological trauma leaves Amy mute and deaf. So the 8-year-old is brought by her mother, Tanya, to Melbourne to diagnose the reasons for her continued silence.

Alana De Roma
as Amy Enker

Rachel Griffiths
as Tanya Rammus

Ben Mendelsohn
as Robert Buchanan

Nick Barker
as Will Enker

Kerry Armstrong
as Sarah Trendle

Jeremy Trigatti
as Zac Trendle

William Zappa
as Bill Trendle

Torquil Neilson
as Luke Lassiter

Sullivan Stapleton
as Wayne Lassiter

Mary Ward
as Mrs. Mullins