Cast & Crew
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Basil RathboneSherlock Holmes - Nigel BruceDr. John Watson
- Lionel AtwillProfessor Moriarty
- Karen VerneCharlotte Eberti
- William Post Jr.Dr. Franz Tobel
- Dennis HoeyInspector Lestrade
- Mary GordonMrs. Hudosn
- Holmes HerbertSir Reginald Dailey
- Henry VictorProfessor Frederick Hoffner (uncredited)
- Paul FixMueller (uncredited)
- Rudolph AndersBraun (uncredited)
- Harold De BeckerPeg Leg (uncredited)
- Harry CordingJack Brady (uncredited)
- Harry WoodsKurt (uncredited)
- George Burr MacannanGottfried (uncredited)
- Paul BryarSwiss waiter (uncredited)
- Vicki CampbellFemale RAF pilot (uncredited)
- Guy KingsfordFoot patrolman (uncredited)
- James CravenRAF officer watching bombsight test (uncredited)
- George EldredgePoliceman outside Durer's (uncredited)
- Michael MarkGeorge (uncredited)
- Roy William NeillDirector
- Howard BenedictProducer
- W. Scott DarlingWriter
- Edmund L. HartmannWriter
- Edward T. Lowe Jr.Writer