When a woman begins to investigate her husband's mysterious death in a plane accident she discovers the involvement of a woman known simply as Diana.
| Directing | Ernest Morris | Director |
| Art | Reg Bream | Draughtsman |
| Art | Elliot Scott | Art Direction |
| Writing | Reginald Hearne | Writer |
| Production | Ronald Liles | Associate Producer |
| Production | John I. Phillips | Producer |
| Sound | Martin Slavin | Original Music Composer |
| Camera | Walter J. Harvey | Director of Photography |
| Editing | David Hawkins | Editor |
| Costume & Make-Up | Ivy Emmerton | Hairstylist |
| Costume & Make-Up | Alice Holmes | Hairstylist |
| Costume & Make-Up | Bunty Phillips | Makeup Artist |
| Directing | Stuart Freeman | Assistant Director |
| Sound | Fred Turtle | Sound Recordist |
| Camera | Gus Drisse | Camera Operator |
| Directing | Marjorie Lavelly | Continuity |