Sandra Carpenter is a London-based dancer who is distraught to learn that her friend has disappeared. Soon after the disappearance, she's approached by Harley Temple, a police investigator who believes her friend has been murdered by a serial killer who uses personal ads to find his victims. Temple hatches a plan to catch the killer using Sandra as bait, and Sandra agrees to help.
George Sanders
Robert Fleming
Lucille Ball
Sandra Carpenter
Charles Coburn
Harley Temple
Boris Karloff
Charles van Druten
Cedric Hardwicke
Julian Wilde
Joseph Calleia
Nicholas Moryani
Alan Mowbray
Lyle Maxwell
George Zucco
H.R. Barrett
Robert Coote
Detective Wilson
Alan Napier
Detective Gordon
Tanis Chandler
Lucy Barnard
Ann Codee
Matilda
Jimmy Aubrey
Nelson (uncredited)
Jack Chefe
Pierre (uncredited)
Charles Coleman
Sir Charles (uncredited)
Alex Frazer
Professor Harkness (uncredited)
Gerald Hamer
Harry Milton (uncredited)
Eddie Parks
Oswald Pickering (uncredited)
Dorothy Vaughan
Mrs. Miller (uncredited)
Stuart Hall
Charles (uncredited)
Herbert Evans
Fleming's Butler (uncredited)
Sam Harris
Old Man at Concert Asking for Whiskey (uncredited)