Edward de Souza (born 4 September 1932[1]) played Marc Cory in the Doctor Who television story Mission to the Unknown, Mortimer Davey in the Big Finish Doctor Who audio story The Roof of the World, Sir Henry Irving in the Jago & Litefoot audio story The Woman in White and Geb in Magic Bullet Productions' The True History of Faction Paradox stories Ozymandias and The Judgment of Sutekh.