![]() |
Hugh Williams as Michael Seeley |
![]() |
Gordon Harker as Sam Hackett |
![]() |
Norman McKinnel as Insp. Mason |
![]() |
Renee Gadd as Janice Harman |
![]() |
Richard Bird as Donald Bateman |
![]() |
Nora Swinburne as Inez Landor |
![]() |
Leslie Perrins as Louis Landor |
![]() |
J.H. Roberts as Dr. Marford |
![]() |
D.A. Clarke-Smith as Dr. Rudd |
![]() |
Gibb McLaughlin as Sgt. Elk |
![]() |
Jeanne Stuart as Gloria Gaye |
![]() |
Clare Greet as Mrs. Albert |
| Writing | Angus MacPhail | Writer |
| Sound | Harold V. King | Sound |
| Art | Norman G. Arnold | Art Direction |
| Writing | Edgar Wallace | Theatre Play |
| Camera | Alex Bryce | Director of Photography |
| Production | Michael Balcon | Producer |
| Writing | Bryan Edgar Wallace | Adaptation |
| Camera | Bernard Knowles | Director of Photography |
| Sound | Louis Levy | Music Director |
| Directing | T. Hayes Hunter | Director |