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