Special investigator Duke Martin is in London to investigate the authenticity of a rare postage stamp called the Barbados Overplate. Someone is willing to commit murder to get his or her hands on the stamp, which puts a crimp in Duke's efforts to romance every beautiful woman he meets.
There's Love and Treachery in RKO's Thrilling Mystery
Overview
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Top Billed Cast
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Tom Conway
Tom Martin
Delphi Lawrence
Jean Larson
Brian Worth
Geoffrey Blake
MB
Michael Balfour
Barney Wilson
Marianne Stone
Mrs Wilson
CC
Campbell Cotts
Robert Coburn
John Horsley
Det. Insp. Taylor
Ronan O'Casey
Stefan Gordoni
LM
Launce Maraschal
J.D. Everleigh
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