| Actor | John Barrymore (as Sherlock Holmes), Roland Young (as Dr. Watson), Carol Dempster (as Alice Faulkner), Gustav von Seyffertitz (as Prof. Moriarty), Louis Wolheim (as Craigin), Percy Knight (as Sid Jones), William Powell (as Foreman Wells (as William H. Powell)), Hedda Hopper (as Madge Larrabee), Peggy Bayfield (as Rose Faulkner), Margaret Kemp (as Terese), Anders Randolf (as James Larrabee), Robert Schable (as Alf Bassick), Reginald Denny (as Prince Alexis), David Torrence (as Count von Stalburg), Robert Fischer (as Otto), Lumsden Hare (as Dr. Leighton), Jerry Devine (as Billy), John Willard (as Inspector Gregson), Albert Bruning (as Count Orlonieff), Walter Kingsford (as Gunman at apartment window (uncredited)) |
