Scottish actress, born November 24, 1965, best known as Moaning Myrtle in the Harry Potter movies, as well as Trainspotting, Bridget Jones' Diary, Marie Antoinette, 24 Hour Party People and the Doctor Who episode "Love & Monsters". Was Queen Catherine in Charles II The Power And The Passion.
- Equity: If you're a British actor or actress these days, you're bound to eventually do either Harry Potter or Doctor Who. Shirley's done both.
- Older Than They Look: You wouldn't think that Moaning Myrtle was pushing 40.