Rylan Clark has opened up about being cast in the new series Doctor Who in a video message to fans. It was announced earlier that Rylan, 36, will play the host of the Interstellar Song Contest - described as a version of the Eurovision Song Contest out in space - on the BBC show. His role was revealed in a trailer for the new series, which launches in April , that was released this weekend. The episode, which is reportedly the fifth in the upcoming series, is expected to air on May 17 , which