Sheila Dunn

Sheila Dunn (11 April 1940-3 March 2004) played Blossom Lefavre in DW: The Daleks' Master Plan, the computer voice of the Electromatic company in DW: The Invasion part 2, and Petra Williams in DW: Inferno. She was married to television director Douglas Camfield, who directed all three of those stories.