Portraying Barty Crouch Sr. in Harry Potter And The Goblet Of Fire opposite David Tennant, who played his on-screen sun, Roger Lloyd-Pack was making his second appearance with the former Doctor: he had also appeared on Doctor Who where he played John Lumic, the creator of the Cybermen. Aside from Doctor Who and Harry Potter, Lloyd-Pack was known from the sitcom Only Fools And Horses, and had a long and varied career that spanned the better part of four decades. He succumbed to cancer on January 16th, 2014.