as Sherlock Holmes

as Dr. John H. Watson

as Major Duncan-Bleek

as Inspector Lestrade

as Vivian Vedder

as Prof. William Kilbane

as Lady Margaret Carstairs

as Sands - Moran's Accomplice

as Conductor Taking Tickets

as Roland Carstairs

as Mrs. Shallcross (uncredited)

as Alf Shallcross (uncredited)

as Senior Conductor (uncredited)

as Mock the Undertaker (uncredited)

as Baggage Car Guard (uncredited)

as "Inspector MacDonald" (uncredited)

as Mock Jr. (uncredited)

as Dining Car Steward (uncredited)

as Elderly gentleman on train station (uncredited)