Directed by
| Henry Cass | ||
Writing Credits
| John Gilling | ||
Cast (in credits order)
| Lionel Jeffries | ... | Arthur Lee | |
| Jack Watling | ... | John Lee | |
| Gordon Jackson | ... | Leonard | |
| Avice Landone | ... | Mary Lee | |
| Brian Worth | ... | Michael Collins | |
| Patricia Owens | ... | Connie Lee | |
 |
Cyril Chamberlain | ... | Clarkson |
| Rest of cast listed alphabetically: | |||
| Erik Chitty | ... | (uncredited) | |
| Frazer Hines | ... | Boy (uncredited) | |
| Alastair Hunter | ... | (uncredited) | |
| Arthur Lowe | ... | (uncredited) | |
|
|
John Pike | ... | Boy (uncredited) |
| Peter Swanwick | ... | (uncredited) | |
Produced by
| Robert S. Baker | ... | producer |
| Monty Berman | ... | producer |
Cinematography by
| Monty Berman | ||
Art Direction by
| John Stoll | ||
Sound Department
| H.C. Pearson | ... | sound recordist |
