- Is distantly related to both Jane Austen and Lord Byron.
- Great-great grandfather was H.H. Asquith, former Prime Minister of the United Kingdom, making her a second cousin, once removed of Helena Bonham Carter.
- Left the London Academy of Music and Dramatic Arts when she became pregnant with her daughter Poppy.
- Met cameraman ex-husband Nigel Willoughby while filming for a beer commercial in 1993.
- Met husband Redha Debbah when he was working as a cab driver and took her to the West End while she was performing in The Real Inspector Hound in 1998..
- While appearing in an off-Broadway production of Creditors in 2010, became stricken with a case of viral meningitis and had to be rushed to the hospital by the play's director, Alan Rickman.