James Franciscus

Character: Harry Scott

Wendy Hughes

Character: Claudine Cunningham

Robert Helpmann

Character: Shepherd

Peter Gwynne

Character: Det. Sgt. Knox

Gerard Kennedy

Character: Garrett

Kerry McGuire

Character: Diana Carson

Ivar Kants

Character: Det. Const. Gilbert

Max Meldrum

Character: Williams

Shane Porteous

Character: Rantz

Tony Barry

Character: Det. Const. Langdon

Ken Goodlet

Character: Det. Insp. Dixon

Sheila Kennelly

Character: Mrs. Foster

Richard Gilbert

Character: Wilkes

Alan Russell

Character: Priest

Terry Jowett

Character: Policeman at Suicide

Charles Pointon

Character: Man in Lobby

Peter Armstrong

Character: Heavy

Bill Buckle

Character: Painter

Gordon Piper

Character: Policeman in House

Caroline Davies

Character: Bride