A fourth generation farmer is celebrating 50 years of acting with the Harleston Players as he prepares for its latest production. Roy Goodwin, of N A Goodwin and Son at Syleham Hall, will play Jock Anderson, a salt-of-the-earth sidekick in the group’s upcoming production of Dick Barton: Special Agent. It will mark half a century since the 70 year-old made his stage debut came in 1974 when he played a villain in Murder out of Tune. “I was shot at the end of the first act and had to wait out the second act each night until the final bow,” he said. “But I have always been interested in drama, rig…