Writing Credits (in alphabetical order)
| R.C. Sherriff | ||
Cast (in credits order)
| Peter Cushing | ... | David Preston | |
 |
Helen Shingler | ... | Janet Preston |
| Rest of cast listed alphabetically: | |||
|
|
Arnold Bell | ... | Insp. Hemingway |
| Richard Caldicot | ... | Major Watson | |
| Gerald Cross | ... | Mr. Petherbridge | |
|
|
Raymond Francis | ... | Doctor Sparling |
|
|
Myrtle Reed | ... | Peggy Dobson |
Produced by
| Stephen Harrison | ... | producer |
Production Design by
| Eileen Diss | ||
