From Wikipedia the free encyclopedia John William Francis Hallam 28 October 1941 14 November 20061 was a Northern Irish character actor Born John William Francis Hallam in Lisburn Northern Ireland he appeared in many film and television roles including Nicholas and Alexandra 1971Murphys War 1971 The Pallisers 1974 The Mallens 1979 Flash Gordon 1980 Dragonslayer 1981 the BBC television adaptations of Prince Caspian and The Voyage of the Dawn Treader 1989 and Robin Hood Prince of Thieves 1991 He also appears in the directors cut of the 1973 film The Wicker Man as McTaggart He appeared in the science fiction series Doctor Who as the memorable alien Light in the serial Ghost Light 1989 He was also known as Barnsey the prison cell mate of Den Watts in EastEnders On November 14 2006 Hallam died in Clifton Oxfordshire England at age 65 He was divorced and had four children Description above from the Wikipedia article John Hallam licensed under CCBYSA full list of contributors on Wikipedia