Shirley Henderson (born 24 November 1965) is a Scottish actress. She is perhaps best known for her film roles as Gail in Trainspotting, Jude in ”Bridget Jones’s Diary (2001) 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, Wilbur Wants to Kill Himself (2002), Bridget Jones: The Edge of Reason (2004), Frozen (2005), Miss Pettigrew Lives for a Day (2008) and Anna Karenina (2012). On television from 1995-1997, she starred opposite Robert Carlyle in the BBC series Hamish Macbeth. In 2014, she received a BAFTA TV Award nomination for the Channel 4 miniseries Southcliffe . She has also featured most recently as Frances Drummond in the BBC drama Happy Valley” .