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Edgar Lustgarten as Presenter |
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Russell Napier as Inspector Duggan |
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Vernon Greeves as Sergeant |
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Carl Jaffe as Nicholls |
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Sylvia Marriott as Janet Nicholls |
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Roger Delgado as Commissario |
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Dino Galvani as Director of Cellini Gallery in Rome |
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Alec Finter as Doctor Harding |
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Joan Cross as Maid (Nancy Morgan) |
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Glyn Houston as Bates |
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Margot Bryant as Mrs. Bailey |
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Barbara Bruce as Mrs. Wiggins |
| Writing | Gil Saunders | Writer |
| Directing | Montgomery Tully | Director |
| Production | Alec C. Snowden | Producer |
