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Donald Sinden as Col. Sir Charles Holland |
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Anthony Steel as Capt. David Holland |
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Anna Maria Sandri as Mabrouka ben Yussef |
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André Morell as Sheik Salem ben Yussef |
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Donald Pleasence as Ali |
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Ralph Truman as Major Cross |
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Terence Sharkey as Daoud Holland |
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Anton Diffring as Senior German Officer |
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Anthony Bushell as Ambassador Baring |
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Michael Craig as Sheikh Faris |
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Frederick Jaeger as Koch |
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Derek Sydney as Interpreter |
| Writing | Bryan Forbes | Writer |
| Directing | Brian Desmond Hurst | Director |
| Camera | Reg Pope | Clapper Loader |
| Editing | Alfred Roome | Editor |
| Production | William MacQuitty | Producer |
| Camera | Desmond Dickinson | Director of Photography |
| Writing | Robin Maugham | Writer |
| Art | George Provis | Art Direction |
| Costume & Make-Up | Eddie Knight | Makeup Artist |
| Sound | William Alwyn | Original Music Composer |
| Production | Earl St. John | Executive Producer |
