
Major Thompson | 1938 | |
Prof. Landis | 1938 | |
| 1938 | ||
James Ralston | 1939 | |
Sir Thomas Egerton | 1939 | |
Bill Stevens | 1939 | |
| 1939 | ||
Dr. Rader | 1939 | |
Major Henri de Beaujolais | 1939 | |
Scotland Yard Official | 1939 | |
| 1939 | ||
Sir William Clintock | 1939 | |
![]() | Colonel Tillman | 1939 |
Jim Cameron | 1939 | |
Insp. McDowell | 1940 | |
Philo Vance | 1940 | |
Colnel Armand Lucien | 1940 | |
Carew | 1940 | |
Howard Joyce | 1940 | |
| 1940 | ||
Abbott | 1940 | |
| 1941 | ||
Doctor Lawrence Stevens | 1941 | |
Squadron Leader Charles Wyatt | 1941 |