Defiant's crew is part of a fleet-wide movement to present a petition of grievances to the Admiralty. Violence must be no part of it. The continual sadism of Defiant's first officer makes this difficult, and when the captain is disabled, the chance for violence increases.
| Directing | Lewis Gilbert | Director |
| Writing | Frank Tilsley | Novel |
| Writing | Nigel Kneale | Screenplay |
| Writing | Edmund H. North | Screenplay |
| Production | John Brabourne | Producer |
| Production | Douglas Peirce | Associate Producer |
| Sound | Clifton Parker | Music |
| Camera | Christopher Challis | Director of Photography |
| Editing | Peter R. Hunt | Editor |
| Art | Percy Godbold | Property Buyer |
| Sound | Ken Ritchie | Boom Operator |
