She is the great-aunt of Benjamin Viertel.
She was made a Fellow of the British Film Institute in recognition of her outstanding contribution to film culture.
Similar to her losing streak at the Oscars, Deborah was finally awarded a BAFTA "Special Award" in 1991 after being nominated four times. She did, however, win the New York Film Critics Award three times and the Golden Globe Award for The King and I (1956).
Suffered from Parkinson's disease.
Was romantically involved with Burt Lancaster while filming From Here to Eternity (1953).
When she was a young girl, she had a strict "Victorian" grandmother who made her lie on her back, on the floor, for long periods of time, in order to "straighten her back" and ensure good posture.