Roland Pertwee
Roland Pertwee (15 May 1885 – 26 April 1963) was an English playwright, film and television screenwriter, director and actor. He was the father of ''Doctor Who'' actor Jon Pertwee and playwright and screenwriter Michael Pertwee. He was also the second cousin of actor Bill Pertwee and grandfather of actors Sean Pertwee and Dariel Pertwee.From the 1910s to 1950s, he worked as a writer on many British films, providing either the basic story or full screenplay. He was one of many writers who worked on the script of ''A Yank at Oxford'' starring Robert Taylor and Vivien Leigh, the film in which his son Jon made his screen debut, and on ''Caravan''.
While he seemingly preferred writing, he acted in ten films (1915–45) and directed ''Breach of Promise'' (1942), which he also wrote. Provided by Wikipedia