She had a small part on the American TV series, Sabrina the Teenage Witch, in 1996.
The episode, entitled "A Girl and Her Cat", had her play the part of Lulu, a gymnastic witch, who was engaged to Sabrina's second cousin.
She has made a number of guest appearances on Battlestar Galactica as paramedic Layne Ishay (with her real-life husband as Major Lee 'Apollo' Adama).
She played the part of Maxi Purvis in Bad Girls' third and fourth series and was a member of the original cast of the touring play Seven Deadly Sins Four Deadly Sinners.
Norton is married to fellow actor Jamie Bamber, and they have three daughters: Isla Elizabeth Angela Griffith, and twins Darcy Beatrice and Ava Molly.