Steve Bisley as Larry

Arna-Maria Winchester as Carmel

Ross Thompson as Heinrich

Hugh Keays-Byrne as Eagle

Ralph Cotterill as Gray

Richard Moir as Jr. Const. Pigott

Tim Burns as Survey driver

Lorna Lesley as Gloria

Patrick Ward as Oates

Laurie Moran as Police Sgt. McSweeney

Michael Long as Doctor

Bill McCluskey as Ralph

Margo Lloyd as Molly

Arthur Sherman as Byron Langley

Frankie J. Holden as Farts

Kim Gyngell as Crabs

Roger Ward as Moose

Mel Gibson as Bearded mechanic (uncredited)

David Bracks as Spray Painter