[1] After training at London's Central School, she was on stage from the late 1920s.

[2][3] Her theatre work included starring in the original West End and Broadway productions of Thornton Wilder's The Matchmaker from 1954 until 1957.

[4][5] In a career spanning 60 years, Greenwood's screen work included The Prince and the Showgirl, Night of the Demon, Upstairs, Downstairs, All Creatures Great and Small, Angels, Crown Court and A Perfect Spy,[6] and Hallelujah!

[7] Greenwood married the actor Leo Von Pokorny in 1934.

Greenwood died on 15 July 1997, aged 90, in Malvern, Worcestershire.