Harry Towb
From Tardis Wiki, the free Doctor Who reference
Harry Towb (27 July 1925-24 July 2009[1]) appeared in two Doctor Who television stories: as Harry Osgood in The Seeds of Death and George McDermott in Terror of the Autons. He also voiced Mario in the BBC Radio drama The Ghosts of N-Space.
He was interviewed on the documentary Roger Delgado: The Master, which was released after his death.