Jean Marsh, Actress Who Co-Created βUpstairs, Downstairs,β Dies at 90 NYT > Top Stories By:Anita Gates 13 April 2025 at 13:23 She not only helped develop the hit 1970s show, but also acted in it, and had a decades-long career in film, TV and theater. Β© Press Association, via Associated PressJean Marsh as the maid Rose Buck in βUpstairs, Downstairsβ in 1974 with Gordon Jackson as the butler Angus Hudson. Ms. Marsh was both an Emmy-winning star of the show and a co-creator.