Directed by
| William Bertram | ||
Writing Credits (in alphabetical order)
| Arthur Conan Doyle | ... | (novel) |
Cast (in credits order)
| John Steppling | ... | Professor Peedeeque | |
| John Sheehan | ... | Fuller Speed | |
| Carol Holloway | ... | Claire Peedeeque | |
 |
Richard Rosson | ... | Hee E. Tate (as Dick Rosson) |
| Virginia Kirtley | |||
