John Warner

From The Arthur Conan Doyle Encyclopedia
John Warner as Peter Giles in movie Without a Clue (1988)

John Warner (1 january 1924 - 19 may 2001) was a British actor who played Peter Giles in 1988 in the movie Without a Clue with Michael Caine as Sherlock Holmes.

He also played Mr. Piercy in 1971 in episode The Ripening Rubies of the TV series The Rivals of Sherlock Holmes.