A young man, in love with a woman who can never be his, discovers a way to fulfil his dreams. In their childhood the three were the best of friends, the perfect triangle. But years later when Lena returns to her sleepy home the tone of the relationship changes and it is Robin she loves. Bill has discovered a method of duplication and decides to make an exact replica of the woman he cannot have... .with disastrous consequences for them all.
| Directing | Terence Fisher | Director |
| Writing | Terence Fisher | Screenplay |
| Production | Michael Carreras | Producer |
| Production | Alexander Paal | Producer |
| Sound | Malcolm Arnold | Original Music Composer |
| Camera | Reginald H. Wyer | Director of Photography |
| Writing | Paul Tabori | Adaptation |
| Writing | William F. Temple | Novel |
| Editing | Maurice Rootes | Editor |
| Art | J. Elder Wills | Art Direction |
| Directing | Renée Glynne | Script Supervisor |
| Camera | Len Harris | Camera Operator |
| Costume & Make-Up | Nina Broe | Hairstylist |
| Costume & Make-Up | Dick Bonnor-Morris | Makeup Artist |
| Sound | Bill Salter | Sound Recordist |