Trailer
Images
 | Dennis Price as Clive Hunter |
 | Jack Hawkins as Pieter Brandt |
 | Siobhán McKenna as Anne Hunter |
 | Peter Hammond as Hendrik van Thaal |
 | Grégoire Aslan as Dominic |
 | Charles Paton as Barman |
 | Bernard Lee as O'Connell |
 | Ronald Adam as Van Thaal |
 | Martin Boddey as Chief Engineer |
 | Philip Ray as 1st Man Restaurant |
 | Walter Horsbrugh as 2nd Man Restaurant |
 | Cyril Chamberlain as Waiter |
 | Dido Plumb as Bar Patron |
| Production | |
| Aubrey Baring | Producer |
| Maxwell Setton | Producer |
Directing | |
| David MacDonald | Director |
| Don Weeks | Assistant Director |
Editing | |
| Vladimir Sagovsky | Editor |
Directing | |
| David Peers | Assistant Director |
Sound | |
| Gordon K. McCallum | Sound mixer |
Costume & Make-Up | |
| Jim Hydes | Makeup Artist |
Sound | |
| Cedric Thorpe Davie | Music |
Camera | |
| Arthur Ibbetson | Camera Operator |
Sound | |
| C. C. Stevens | Sound mixer |
Writing | |
| Robert Westerby | Screenplay |
| Robert Westerby | Story |
Camera | |
| Oswald Morris | Director of Photography |
