Een man en zijn zus wonen in een landhuis, niet wetende dat daar gestolen buit verborgen ligt. Een bende criminelen probeert hen te laten verhuizen, zodat ze de buit voor zichzelf kunnen bemachtigen.
Nee, helaas is Someone at the Door nog niet beschikbaar op Netflix in Nederland.
| Writing | Campbell Christie | Writer |
| Writing | Dorothy Christie | Writer |
| Writing | A.R. Rawlinson | Writer |
| Sound | Frank Spencer | Music |
| Editing | John Ferris | Editor |
| Editing | Ray Pitt | Editor |
| Production | Prudence Sykes | Casting |
| Art | Denis Wreford | Art Direction |
| Costume & Make-Up | Monica Hustler | Hair Designer |
| Costume & Make-Up | Philip Leakey | Makeup Artist |
| Production | Arthur Barnes | Production Manager |
| Directing | Jimmy Sangster | Assistant Director |
| Art | Mick Lyons | Construction Manager |
| Art | Tom Money | Property Master |
| Sound | Edgar Vetter | Sound Recordist |
| Sound | Percy Britten | Boom Operator |
| Sound | Gordon Everett | Sound Mixer |
| Camera | Peter Bryan | Camera Operator |
| Lighting | Jack Curtis | Electrician |
| Camera | John Jay | Still Photographer |
| Camera | Harry Oakes | Clapper Loader |
| Sound | Frank Spencer | Music Director |
| Directing | Renée Glynne | Continuity |
| Directing | Francis Searle | Director |
| Production | Anthony Hinds | Producer |
| Camera | Walter J. Harvey | Director of Photography |
