Derek Martinus

Derek Buitenhuis (4 April 1931 – 27 March 2014), known professionally as Derek Martinus, was an English television and theatre director. Originally an actor, he directed episodes of Z-Cars and Doctor Who, for which he was best known. He also had a long career directing stage productions.

For the BBC, he directed several Doctor Who serials, Galaxy 4 (1965), Mission to the Unknown (1965), The Tenth Planet (1966), The Evil of the Daleks (1967), and The Ice Warriors (also 1967). His final serial for the programme, Spearhead from Space (1970), was also the first to be made in colour. His period working on the programme spanned the eras of the first three actors to play the lead role.

Martinus also directed the Blake's 7 episodes "Trial" and "The Keeper" (both 1979) and over 50 episodes of Z-Cars. He worked on classic serials too, What Maisie Knew (1968), The Black Tulip (1970), A Little Princess (1973) and A Legacy (1975), plus the dramatisation of a 1970s historical fiction best seller, Penmarric.