Dennis Hopper To Appear In Series Four?

Various news sources have claimed that Dennis Hopper a American film icon is apparently going to appear in series 4 of Doctor Who and he is currently in talks with the BBC. According to an insider, talks have been going on for a while, but Hopper's schedule is proving very difficult to work out. The unnamed source reports that "Dennis is a big fan of the show and bosses are really keen to get him on board." This of course at the moment is only a rumour so don't be surprised if it is not true.