Discover
Original Release
10/01/1955
Cast
| Name | Character |
|---|
| Boris Karloff | Col. Perceval March / Colonel March Of Scotland Yard |
| Ewan Roberts | Inspector Ames |
| Phil Brown | Dr. Bryan Hayes |
| Gerard Heinz | Dr. James Patten |
| Robert Adair | John Cusby |
| Eileen Erskine | Mrs. Evelyn Cusby |
| Lily Kann | Mrs. Patten |
| Eric Pohlmann | Commissionner Aristide Goron |
Directors
Writers
Paul Monash, John Dickson Carr
Cast
| Name | Character |
|---|
| Boris Karloff | Col. Perceval March / Colonel March Of Scotland Yard |
| Ewan Roberts | Inspector Ames |
| Phil Brown | Dr. Bryan Hayes |
| Gerard Heinz | Dr. James Patten |
| Robert Adair | John Cusby |
| Eileen Erskine | Mrs. Evelyn Cusby |
| Lily Kann | Mrs. Patten |
| Eric Pohlmann | Commissionner Aristide Goron |
Producers
| Name | Role |
|---|
| Hannah Weinstein | Producer |
