Scobie Malone
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.
Helga Brand
Constable Russ Clements
Mr. Sin
Norma Helidon
Walter Helidon
Captain Bixby
Premier
Inspector Fulmer
Scientific Officer
Attorney General
Becky
Angie
Jackie
Photographer
Police Commissioner
Socialite
Landlady
Maid
Policeman (as Brian Bronn)
Girl at Pedestrian Crossing
Woman Swimming Nude in Pool
Telephone Girl
Jack Savanna
