크레딧 출연 배질 래스본 Sherlock Holmes Nigel Bruce Dr. John Watson Aubrey Mather Alastair Paul Cavanagh Simon Merrivale Dennis Hoey Inspector Lestrade Harry Cording John Simpson Holmes Herbert Alan Cosgrave Sally Shepherd Mrs. Monteith Gavin Muir Chalmers Florette Hillier Alison MacGregor David Clyde Alex MacGregor Doris Lloyd Bessie Cyril Delevanti Stanley Raeburn (uncredited) Alec Craig Angus (uncredited) Richard Alexander Ralph King (uncredited) Bobby Hale Pub Patron (uncredited) 스텝 Saul A. Goodkind Editing Roy Chanslor Writing Roy William Neill Directing Virgil Miller Camera Eugène Lourié Art John B. Goodman Art Roy William Neill Production Paul Sawtell Sound 아서 코난 도일 Writing