Cast & Crew
-
Harry CordingMock - Alan MowbrayMaj. Duncan-Bleek
- Dennis HoeyInspector Lestrade
- Frederick WorlockProf. William Kilbane
- Basil RathboneSherlock Holmes
- Billy BevanPassenger Car Attendant
- Nigel BruceDr. John H. Watson
- Mary ForbesLady Margaret Carstairs
- Roy William NeillDirector
- Roy William NeillProducer
- Howard BenedictProducer
- Frank GruberWriter