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 Roy William Neill Production Roy William Neill Directing Roy Chanslor Writing Saul A. Goodkind Editing John B. Goodman Art Eugène Lourié Art Virgil Miller Camera Paul Sawtell Sound 아서 코난 도일 Writing