After a distinguished career in the theatre (Close Theatre, Glasgow; Half Moon Theatre, London; West End shows: Yakety Yak!, Pal Joey, Can't Pay? Won't Pay!) Walker directed for BBC TV the award-winning Die Kinder, Rules of Engagement, Blind Justice and many movies of the week and mini series.) Directed the feature Circus (Columbia/Tristar) and several innovative independent movies: Beyond, Margarine Wars with Doris Roberts & Robert Loggia; Killer Weekend with Eric Roberts. His latest film is Space Lizards now doing the festival circuit.