[1][2] Mason was born in Birmingham and trained at the London School of Dramatic Art, before performing with repertory theatres throughout Britain.

[2][3] She is probably best known internationally for her performance as the blind psychic Heather in Nicolas Roeg's film Don't Look Now.

Laundrette", the pilot episode of ITV's critically acclaimed drama Minder.

[7] In the 1985 BBC serial ‘’Miss Marple’’: The Moving Finger, she appeared as Emily Barton.

[8] In later years Mason appeared as Gladys in the popular children's TV show Maid Marian and her Merry Men.