Near a small English village, a scientific team is conducting experiments with magnetic fields, the results of which may have military applications but the intensification of which seem to be connected to UFO reports, a series of murders, an enormous insect egg, and a strange visitor with exceptional scientific knowledge.
| Directing | Gilbert Gunn | Director |
| Writing | Paul Ryder | Screenplay |
| Writing | Rène Ray | Novel |
| Production | George Maynard | Producer |
| Production | John Bash | Executive Producer |
| Sound | Robert Sharples | Original Music Composer |
| Camera | Josef Ambor | Director of Photography |
| Editing | Francis Bieber | Editor |
| Art | Bernard Sarron | Art Direction |
| Costume & Make-Up | Irma Birch | Wardrobe Supervisor |
