With Eileen Atkins, Marsh created the British period drama "Upstairs, Downstairs" and played the role of the house parlourmaid Rose Buck for the duration of the series, from 1971 until 1975. The programme was internationally popular and received numerous awards including two BAFTA awards, two Royal Television Society awards, eight Emmys and a Golden Globe. Marsh received a Royal Television Society award in 1971 and an Emmy Award for Outstanding Lead Actress for her role in 1975, and was nominated for the same award on three further occasions – 1974, 1976, and (for the show's revival) in 2011. She also received awards from the American Drama Centre and American Drama Critics Circle for the role, and two Golden Globe Award nominations.