Daniel Nettheim directed various episodes of Doctor Who and K9. His uncle was actor David Nettheim.
Among Nettheim's Doctor Who credits were The Zygon Invasion/The Zygon Inversion in series 9, and Extremis in series 10. Before this he had directed the K9 television stories Sirens of Ceres, The Fall of the House of Gryffen, Dream-Eaters and Oroborus.