Complex sentence: Peter Dougan Capaldi (born 14 April 1958) is a Scottish actor, writer and director, best known for being the twelfth and current actor to play the title role in the long-running BBC One sci-fi series "Doctor Who".
Split into simpler sentences: Peter Dougan Capaldi (born 14 April 1958) is a Scottish actor, writer and director. He is best known for being the twelfth and current actor to play the title role in the long-running BBC One sci-fi series "Doctor Who".