James Franciscus
— Harry Scott
Wendy Hughes
— Claudine Cunningham
Robert Helpmann
— Shepherd
Peter Gwynne
— Det. Sgt. Knox
Gerard Kennedy
— Garrett
Kerry McGuire
— Diana Carson
Ivar Kants
— Det. Const. Gilbert
Max Meldrum
— Williams
Shane Porteous
— Rantz
Tony Barry
— Det. Const. Langdon
Ken Goodlet
— Det. Insp. Dixon
Sheila Kennelly
— Mrs. Foster
Richard Gilbert
— Wilkes
Alan Russell
— Priest
Terry Jowett
— Policeman at Suicide
Charles Pointon
— Man in Lobby
Peter Armstrong
— Heavy
Bill Buckle
— Painter
Gordon Piper
— Policeman in House
Caroline Davies
— Bride