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
as Robert Fleming
Lucille Ball
as Sandra Carpenter
Charles Coburn
as Harley Temple
Boris Karloff
as Charles van Druten
Cedric Hardwicke
as Julian Wilde
Joseph Calleia
as Nicholas Moryani
Alan Mowbray
as Lyle Maxwell
George Zucco
as H.R. Barrett
Robert Coote
as Detective Wilson
Alan Napier
as Detective Gordon
Tanis Chandler
as Lucy Barnard
Ann Codee
as Matilda
