Top cast
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
Directed by
Gordon Hessler
Written by
Herbert Wright
Produced by
Herbert Wright