Roy NeillDirector
Basil RathboneSherlock Holmes
Nigel BruceDr. John H. Watson
Alan MowbrayMaj. Duncan-Bleek
Dennis HoeyInspector Lestrade
Renee GodfreyVivian Vedder
Mary ForbesLady Margaret Carstairs
Billy BevanPassenger Car Attendant
Frederick WorlockProf. William Kilbane
Leyland HodgsonTrain Conductor (uncredited)
Geoffrey SteeleHon. Roland Carstairs
Boyd DavisInspector MacDonald (uncredited)
Janet MurdochMrs. Shallcross (uncredited)
Skelton KnaggsSands
Gerald HamerAlfred Shallcross (uncredited)
Harry CordingMock
Charles KnightGuard (uncredited)
Bobby WisslerMock's Son (uncredited)
