From Wikipedia, the free encyclopedia Arthur Wontner (21 January 1875 – 10 July 1960) was a British actor best known for playing Sir Arthur Conan Doyle's master detective Sherlock Holmes in five films from 1931 to 1937. These films are:     The Sleeping Cardinal (1931) (US title: Sherlock Holmes' Fatal Hour) based on Doyle's two stories, "The Adventure of the Empty House" and "The Final Problem"     The Missing Rembrandt (1932) (still considered lost) based on "The Adventure of Charles Augustus Milverton"     The Sign of Four: Sherlock Hol…