A detective caught in the web of blackmail, intrigue and murder
Sydney homicide detective Sergeant Scobie Malone and his offsider investigate the murder of Helga, whose corpse is found in the basement of the Sydney Opera House.
Policeman (as Brian Bronn)
Scobie Malone
Mr. Sin
Helga Brand
Walter Helidon
Premier
Scientific Officer
Constable Russ Clements
Landlady
Girl at Pedestrian Crossing
Becky
Captain Bixby
Norma Helidon
Inspector Fulmer
Attorney General
Socialite
Jack Savanna
Woman Swimming Nude in Pool
Telephone Girl
Photographer