William Russell Enoch was an English actor who performed as both Russell Enoch and William Russell. His career on stage and screen spanned over seven decades and he first achieved prominence in the title role of the television series The Adventures of Sir Lancelot (1956–1957). In 1963, he was in the original lead cast of BBC1's Doctor Who, playing the role of schoolteacher Ian Chesterton from the show's first episode until 1965.
