| Cast: | ||
| General Armstrong | George Sanders | |
| Dr. Matthews | Maurice Evans | |
| Bob Megan | Patrick Allen | |
| Wing Commander Baldwin | Robert Flemyng | |
| Hindesmith | Allan Cuthbertson | |
| Lt. Bailes | Michael Culver | |
| Pilot Officer Briggs | Carl Rigg | |
| Julie Slade | Hilary Heath | |
| Director of photography |
John Coquillon |
|