She first met Brian Blessed in a television drama Double Agent then met again four years later when making the television series Dominic. They lived together until their daughter Rosalind was 4 then they married.
Her first husband was a teacher named John.
In her earliest screen appearance, in Julius Caesar (1963), Hildegard Neil played Calpurnia, Julius Caesar's wife. In Antony and Cleopatra (1972) she played Cleopatra, Caesar's most famous mistress.