Writing Credits (in alphabetical order)
| Harold Flender | ... | (written by) |
Cast (in credits order)
| Raymond Massey | ... | Anton the Spymaster | |
| Rest of cast listed alphabetically: | |||
| John Call | |||
| John Crawford | |||
 |
Robert Dryden | ||
| Basil Langton | |||
| Tom Palmer | |||
|
|
Byron Sanders | ||