Robert Beatty

Pete Dawson

Lee Patterson

Colin Walker

Betty McDowall

Lucille Walker

Vincent Winter

The Boy

Robert Ayres

Insp. Andrews

Alan Gifford

George Foster

Larry Cross

Reporter

Sandra Francis

Evelyn Webb

Gordon Tanner

Dr. Hewitson

Victor Wood

Howard Zeeder

Peter Mannering

Dr. Foy

Roland Brand

Police officer

Sean Connery

Welder #1

Murray Kash

Welder #2

Jack Cunningham

Max Jarvis

Gerald Thomas