Overview
Retired gem merchant Peter J. Martin hires detective Dan McRae to guard a large diamond which he plans to present to his daughter Ruth on her twenty-first birthday. Notorious jewel thief Gentleman Joe overpowers McRae, however, and takes his place at Ruth's party.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 36 | September 21, 1947 (69) | |
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 | 21 | September 18, 1957 (64) | |
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| - | - |