The Chain Reaction

Steve Bisley

Larry

Arna-Maria Winchester

Carmel

Ross Thompson

Heinrich

Hugh Keays-Byrne

Eagle

Ralph Cotterill

Gray

Richard Moir

Jr. Const. Pigott

Tim Burns

Survey driver

Lorna Lesley

Gloria

Patrick Ward

Oates

Laurie Moran

Police Sgt. McSweeney

Michael Long

Doctor

Bill McCluskey

Ralph

Margo Lloyd

Molly

Arthur Sherman

Byron Langley

Frankie J. Holden

Farts

Kim Gyngell

Crabs

Roger Ward

Moose

Mel Gibson

Bearded mechanic (uncredited)

David Bracks

Spray Painter