Having been coerced unto helping a criminal pull off a jewellery theft, a locksmith is double crossed by the crook and heads off to Spain with an eye to getting even.
| Actor | Role |
|---|---|
 Trevor HowardJohn Bain | John Bain |
 Dorothy DandridgeGianna | Gianna |
 Edmund PurdomPeter Carran | Peter Carran |
 Michael HordernInspector Farrell | Inspector Farrell |
 Paul StassinoJuan Montoya | Juan Montoya |
 Martin BoddeySir John Middleburgh | Sir John Middleburgh |
 Helen GossLady Middleburgh | Lady Middleburgh |