| Cast list | | Peter McEnery | as | Peter | | John McEnery | as | John | | Olga Georges-Picot | as | Elsa | | Bruce Robinson | as | Colin | | Donald Pleasence | as | Elsa's father | | George Coulouris | as | Police Inspector |
| | Crew list: | | David Hart (Director) | | David Hart (Writer) | | Michael Joseph (Writer) |
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