Derek Martinus

Derek Martinus (born Derek Buitenhuis, 4 April 1931 – 27 March 2014) was a British television and theatre director. He directed episodes of "Z-Cars" and "Doctor Who". Martinus also appeared in some plays, mostly based on Shakespeare. He also directed the award-winning "The Paper Lads".
Martinus died on 27 March 2014 at the age of 82 from Alzheimer's disease.