How many movies have Brenda Kempner and Ian Hogg acted in together?

They have worked on 2 movies together! Their first movie together was The Persecution and Assassination of Jean-Paul Marat as Performed by the Inmates of the Asylum of Charenton Under the Direction of the Marquis de Sade (1967) while their highest rated movie together was Doctor Who: Ghost Light (1989). They have not worked together since Doctor Who: Ghost Light (1989).