| Cast list | | Jean Anderson | as | Maria | | Donald Pleasence | as | Spiel | | Richard Williams | as | Karl | | Maureen Pryor | as | Frau Spiel | | Norman Macowan | as | Heiss | | John Glyn-Jones | as | Priest | | Willoughby Goddard | as | Stott | | Andrew Keir | as | Constable | | John Boxer | as | Breuer | | Carla Challoner | as | Elsa | | Raymond Adamson | as | Hans Heiss | | Charles Gray | as | Fritz Heiss | | Philip Locke | as | 1st Soldier | | Lee Montague | as | 2nd Soldier | | Tina Robinson Hansen | as | Marta (as Tina Robinson) |
| | Crew list: | | Clive Donner (Director) | | Phyllis Bottome (Writer) | | Leigh Vance (Writer) |
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