sentences:  Cowan guest-starred in over 20 episodes of "The Bill" as Julie Saunders, the mother of the boy who accused PC Tony Stamp of sexual assault.She also starred in "The Wench Is Dead", the penultimate episode of the "Inspector Morse" series, as Joanna Franks, a Victorian woman who is murdered on board a canal boat.She played recurring characters Nicki in "This Life" (1997), Carla in Series 7 of "The Queen's Nose", air stewardess Polly Arnold in the now defunct Channel 5 soap opera "Family Affairs" (2001), Tanya in "Pulling" (2003), and Chrissie Jackson in "The Sarah Jane Adventures", making her first appearance in the first episode "Invasion of the Bane" (2007).