Shirley Henderson (born 24 November 1965) is a Scottish actress. Her film roles include Gail in Trainspotting (1996), Jude in the three Bridget Jones films (2001/04/16), and Moaning Myrtle in Harry Potter and the Chamber of Secrets (2002) and Harry Potter and the Goblet of Fire (2005). Her other films include Topsy-Turvy (1999), Wilbur Wants to Kill Himself (2002), Frozen (2005), Miss Pettigrew Lives for a Day (2008), Anna Karenina (2012), and the Netflix film Okja (2017). Henderson starred opposite Robert Carlyle in the BBC series Hamish Macbeth (1995–97), and played Frances Drummond in the BBC drama Happy Valley (2016). She was nominated for the BAFTA TV Award for Best Supporting Actress for the Channel 4 miniseries Southcliffe (2013), for the Canadian Screen Award for Best Actress for her performance in the 2017 film Never Steady, Never Still, and won the 2018 Olivier Award for Best Actress in a Musical for her role as Elizabeth in the original production of Girl from the North Country.