From Wikipedia, the free encyclopedia. Leanne Wilson (born 1980) is a well known British television actress. Wilson grew up in Hertfordshire with her younger brother Matt, and sister, Olivia. She attended the Knights Templar School in Baldock, Hertfordshire. As a girl Wilson was determined to be an actress, and she attended drama classes in the evenings and at weekends at the Sylvia Young Theatre School in London. Her big break came as Jess Brown in the American sci-fi series Tracker, appeari ...