she has appeared in the UK Tour of The Rocky Horror Show as Magenta, starring alongside Jason Donovan as Frank. She has appeared in the musical Smokey Joe's Cafe.
Brett made her television debut in London's Burning (as an office girl) in 1992. She has appeared in several television advertisements, including most notably Learn Direct Scotland commercials.
Brett has made appearances on The Bill, My Hero, Family Affairs. It was when she was performing in Les Misérables that she was spotted by EastEnders casting director Kat Collins .
She made her first appearance in EastEnders in June 2004, at which time the character was known as Jane Collins