Dublado e Legendado no OverFlix. The Agitator is a 1945 British drama film directed by John Harlow and starring William Hartnell, Mary Morris and John Laurie. Its plot follows a young mechanic who unexpectedly inherits the large firm where he works and tries to run it according to his socialist political beliefs. It was based on the 1925 novel Peter Pettinger by William Riley.