Geoffrey Rush as Mike 'Storm Boy' Kingley

Jai Courtney as Hideaway Tom

Erik Thomson as Malcolm Downer

Morgan Davies as Madeline

Finn Little as Storm Boy

Simone Annan as Murujuga Lawyer

Trevor Jamieson as Fingerbone Bill

David John Clark as Police Officer

Thibul Nettle as Police Officer (as Stinga-T)

Chantal Contouri as Julie Sims

Emma Bampton as Jenny

Michelle Nightingale as Mrs. Marks

Tim Whibley as Office Worker

Martha Lott as Pearl

Georgina Giessauf as Smirking Schoolgirl #2

Brendan Rock as Hunter #1

Nick Launchbury as Reporter #1

Emma Bargery as Reporter #2

Rory Walker as Murray

Miraede Bhatia-Williams as Mildew

Lucy Cowan as Belle

Edward Boehm as Young Storm Boy

Alirio Zavarce as Mining Company Lawyer

Bradley Trent Williams as Jasper Davies

Caroline Mignone as Angela

Luca Sardelis as Smirking Schoolgirl #1

James Smith as Hunter #2