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Alec Guinness as The Cardinal |
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Jack Hawkins as The Interrogator |
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Wilfrid Lawson as The Jailer |
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Kenneth Griffith as The Secretary |
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Jeanette Sterke as The Girl |
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Ronald Lewis as The Guard |
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Raymond Huntley as The General |
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Mark Dignam as The Governor |
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Gerard Heinz as The Doctor |
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Percy Herbert as Soldier (uncredited) |
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Oscar Quitak as Cafe Waiter (uncredited) |
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Denis Shaw as Plainclothesman (uncredited) |
| Camera | Reginald H. Wyer | Director of Photography |
| Directing | Peter Glenville | Director |
| Writing | Bridget Boland | Writer |
| Sound | Benjamin Frankel | Music |
| Editing | Frederick Wilson | Editor |
| Production | Sydney Box | Executive Producer |
| Art | John Hawkesworth | Art Direction |
| Costume & Make-Up | W.T. Partleton | Makeup Artist |
| Production | Douglas Peirce | Production Manager |
| Directing | Denis O'Dell | Assistant Director |
| Costume & Make-Up | Julie Harris | Costume Design |
| Production | Vivian Cox | Producer |
| Directing | Phyllis Crocker | Continuity |
