Stephen Woolfenden
From Tardis Wiki, the free Doctor Who reference
Stephen Woolfenden directed the series 7 Doctor Who episode Nightmare in Silver. He was also the uncredited director for the Clarence and the Whispermen prequel short.[1] He had previously served as second unit director for the second half of the Harry Potter films.
His subsequent work included being a producer of the Willow TV series in which the titular character is played by Warwick Davis whom Woolfenden had directed in Nightmare in Silver and Woolfenden also directed Davis on Willow.