Star Wars legend, Darth Vader star Dave Prowse, tells us what surprises him most about the public reaction to the greatest big screen villain of all time. We chatted at Sheffield Film and Comic Con 2014, at the Motorpoint Arena. Full story http://www.thestar.co.uk/what-s-on/cinema/video-sheffield-film-and-comic-con-to-return-1-6815280