 He also starred in two episodes of "Doctor Who" - "The Impossible Planet" and "The Satan Pit", alongside lead actors David Tennant and Billie Piper.He has also starred in "Britannia High" as Jack Tyler and in "New Tricks" as a DJ.In 1985 Webb starred alongside Jon Pertwee in a television adaptation of Karl Wittlinger's Broadway play, "Do You Know the Milky Way?"