There's Love and Treachery in RKO's Thrilling Mystery
4.4
70 min
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.
| Name | Character | Team | |
|---|---|---|---|
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Tom Conway | Tom Martin | Unowned |
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Delphi Lawrence | Jean Larson | Unowned |
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Brian Worth | Geoffrey Blake | Unowned |
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Michael Balfour | Barney Wilson | Unowned |
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Marianne Stone | Mrs Wilson | Unowned |
| Campbell Cotts | Robert Coburn | Unowned | |
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John Horsley | Det. Insp. Taylor | Unowned |
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Ronan O'Casey | Stefan Gordoni | Unowned |
| Launce Maraschal | J.D. Everleigh | Unowned | |
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Colin Tapley | Lord Valchrist | Unowned |
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Alan Gifford | Henry Warburg | Unowned |
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Grace Arnold | Lady Hawksley | Unowned |
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John Colicos | Mustachioed Henchman (as John Collicos) | Unowned |
| Mayura | Yasmina | Unowned | |
| John Watson | Detective Sgt. Grant | Unowned | |
| Reggie Morris | Cleanshaven Henchman (as Reg Morris) | Unowned | |
| Derrick Whittingham | Print Shop Manager | Unowned | |
| Charles Hammond | Unowned |