 | Virginia McKenna als Violette Szabo |
 | Paul Scofield als Tony Fraser |
 | Jack Warner als Mr. Bushell |
 | Denise Grey als Mrs. Bushell |
 | Maurice Ronet als Jacques |
 | Alain Saury als Étienne Szabo |
 | Avice Landone als Vera Atkins |
 | Anne Leon als Lillian Rolfe |
 | Nicole Stéphane als Denise Bloch |
 | Bill Owen als NCO Instructor |
 | Sydney Tafler als Potter |
 | Noel Willman als Interrogator |
 | Billie Whitelaw als Winnie |
 | William Mervyn als Colonel Buckmaster |
 | Michael Goodliffe als Coding Expert |
 | André Maranne als Garage Man |
 | Harold Lang als Commandant Suhren |
 | Nigel Hawthorne als Park Soldier (uncredited) |
 | Michael Caine als Train Prisoner (uncredited) |
| Vernon Harris | Screenplay |
| Daniel M. Angel | Producer |
| Earl St. John | Executive Producer |
| Lewis Gilbert | Screenplay |
| John Shirley | Editor |
| Lewis Gilbert | Director |
| John Wilcox | Director of Photography |
| R. J. Minney | Book |
| William Alwyn | Original Music Composer |
| Muir Mathieson | Conductor |
| Bernard Robinson | Art Direction |
| Edward Joseph | Production Manager |
| Frederick Slark | Assistant Director |
| Donald Sharp | Second Unit Director |
| C. C. Stevens | Sound Recordist |
| Gordon K. McCallum | Sound Recordist |
| Arthur Ridout | Sound Editor |
| Les Wiggins | Sound Editor |
| Harry Gillam | Camera Operator |
| Shirley Barnes | Continuity |
| Bob Lawrance | Makeup Artist |
| Ivy Emmerton | Hairdresser |
| Phyllis Dalton | Costume Designer |
| Elizabeth Haffenden | Costume Designer |
| Bill Warrington | Special Effects |
| Lionel Banes | Special Effects |
| Hugh Perceval | Associate Producer |
| Arthur Alcott | Production Controller |
