Clive Brook
Sherlock Holmes
Acting
Miriam Jordan
Alice Faulkner
Acting
Ernest Torrence
Professor James Moriarty
Acting
Herbert Mundin
George
Acting
Reginald Owen
Dr. Watson
Acting
Alan Mowbray
Colonel Gore-King
Acting
C. Montague Shaw
Judge
Acting
Ivan F. Simpson
Faulkner
Acting
Roy D'Arcy
Manuel Lopez (uncredited)
Acting
John George
Bird Shop Thug (uncredited)
Acting
Brandon Hurst
Secretary to Erskine (uncredited)
Acting
Howard Leeds
Little Billy
Acting