Biography: Stephen Woolfenden is a British television director. He previously worked as a second unit director for the Harry Potter films. He has directed other TV shows and the Doctor Who episode "Nightmare in Silver." He has worked as the second unit director on The Legend of Tarzan film. Woolfenden is the son of English composer and conductor Guy Woolfenden. Description above from the Wikipedia article Stephen Woolfenden, licensed under CC-BY-SA, full list of contributors on Wikipedia.