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.
Tom Martin
Jean Larson
Geoffrey Blake
Barney Wilson
Mrs Wilson
Robert Coburn
Det. Insp. Taylor
Stefan Gordoni
J.D. Everleigh
Lord Valchrist
Henry Warburg
Lady Hawksley
Mustachioed Henchman (as John Collicos)
Yasmina
Detective Sgt. Grant
Cleanshaven Henchman (as Reg Morris)
Print Shop Manager
