Scottish actress, born November 24, 1965 in Forres, Scotland, best known as Moaning Myrtle in the Harry Potter movies, as well as Trainspotting/T2 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.