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