Lisa was born to parents - mother, actress Ann Beach and father, producer/director Francis Coleman. She also has an older sister Charlotte Coleman. She attended Ann Scher's Theatre School at the age of six, and took 'O' and 'A' Levels, and 2 years of an Open University degree in Clinical Psychology. Before acting she also spent a year in Botswana teaching English and also did nude modelling for artist Euan Oslow. She also sang in a funk band called 'The Hot Heads'.