Hilary Lavender Mason was an English character actress who appeared in a wide variety of roles, mainly on UK television.
Mason was born in London and trained at the London School of Dramatic Art. She is probably best known internationally for her performance as the blind psychic in Nicolas Roeg's film Don't Look Now. She appeared in Gunfight at the O.K. Laundrette, the pilot episode of ITV's critically acclaimed drama Minder. She also made regular appearances in Z-Cars and Dixon of Dock Green, and made an appearance in Ripping Yarns. In the 1985 TV movie Marple: The Moving Finger, she appeared as Emily Barton, and in 1986 she appeared as Mrs Gummidge in the BBC series David Copperfield.
In later years Mason appeared as Gladys in the popular children's TV show Maid Marian and her Merry Men. Her last role was in the children's programme Aquila.