Writing Credits (in alphabetical order)
| Ronald Adam | ... | (play) |
Cast (in credits order)
 |
John Robinson | ... | Alec Strannack |
|
|
Patricia Marmont | ... | Frances Strannack |
|
|
John Boxer | ... | Dr. Masterman |
| Ronald Adam | ... | Mr. Carew | |
|
|
Victor Brooks | ... | Det. Insp. Forshaw |
| Carl Jaffe | ... | Zanucek | |
Produced by
| Alan Bromly | ... | producer |
Production Design by
| Roy Oxley | ||