Sister-in-law of Sam Mendes.
She was in the A&E movie, The Cater Street Hangman (1998), which was based on a novel written by Anne Perry. Anne Perry was born Juliet Hulme but changed her name after being involved in a murder. Anna Winslet's younger actress sister, Kate Winslet, portrayed Juliet Hulme in a movie, Heavenly Creatures (1994), which was based on that murder.
Anna Winslet appears with her real-life husband, Edmund Harcourt, in Colin Bishop's 1999 short film Business as Usual (1999).
Elder sister of Kate Winslet and Beth Winslet. Younger sister of Joss Winslet.
Niece: Mia Threapleton (Kate Winslet's daughter, born on 12 October 2000).