NSNorman StewartNo description yet.Known for7.9Doctor Who19635.2Doctor Who: Underworld19784.7Doctor Who: The Power of Kroll1979DirectorActorDoctor Who: The Power of Kroll1979Doctor Who: Underworld1978Doctor Who19638 episodesDoctor WhoSeason 15S15E17Underworld (1)S15E18Underworld (2)S15E19Underworld (3)S15E20Underworld (4)Season 16S16E17The Power of Kroll (1)S16E18The Power of Kroll (2)S16E19The Power of Kroll (3)S16E20The Power of Kroll (4)