From Wikipedia, the free encyclopedia. Dee Hepburn (born November 7, 1961 in Airdrie, Scotland) is a former actor. She trained in acting, and took a part as a school girl in the BBC's production of The Prime of Miss Jean Brodie. She starred in Bill Forsyth's 1981 film Gregory's Girl, playing John Gordon Sinclair's love interest Dorothy. After this role she moved into television in the Glasgow set series Maggie, presenting It's a Knockout, and taking a role for three years in the British soap o ...