Wanneer Dr. Howard Latimer de Duitse actrice die hij net op de luchthaven van Londen had ontmoet, vermoord aantreft in zijn flat, wordt hij geleid in een wereld van moord, chantage en een zwendel met valse paspoorten.
Nee, helaas is The Vicious Circle nog niet beschikbaar op Netflix in Nederland.
| Directing | Gerald Thomas | Director |
| Writing | Francis Durbridge | Screenplay |
| Production | Basil Keys | Production Manager |
| Camera | Otto Heller | Director of Photography |
| Camera | Alan Hume | Camera Operator |
| Art | Jack Stevens | Art Direction |
| Directing | William Hill | Assistant Director |
| Costume & Make-Up | Vi Murray | Wardrobe Designer |
| Directing | Rita Davison | Continuity |
| Sound | Len Page | Sound Recordist |
| Costume & Make-Up | Marjorie Whittle | Hairdresser |
| Sound | Richard Marden | Sound Editor |
| Costume & Make-Up | Jill Carpenter | Makeup Artist |
| Sound | Stanley Black | Original Music Composer |
| Editing | Peter Boita | Editor |
| Art | Eric Saw | Draughtsman |
| Production | Peter Rogers | Producer |
