"What initially looked like a young woman's suicide, turns into a murder investigation and Supt. Blake has two suspects - the victim's husband and his own daughter."
André Morell
as Supt. Blake
Thea Gregory
as Joan Blake
Patrick Holt
as Terry Maguire
Jack Watling
as Bill Howard
Marla Landi
as Singer
Arnold Bell
as Inspector Harris
Olive Sloane
as Mrs Pullman
Bruce Beeby
as Sgt Fred Baker
Alexander Gauge
as Arnold Debenham
Ellen Pollock
as Mme Sonia
Dorinda Stevens
as Norma Sheridan
Charlie Drake
as Joe
Charles Saunders
Director
Guido Coen
Producer
Allan MacKinnon
Script
Harry Waxman
Director of Photography
Jack Slade
Editor
C. Wilfred Arnold
Art Direction
Eric Spear
Music