Natalie Joanne Roles (born in Enfield, Middlesex) is an English actress best known for her role of DS Debbie McAllister in the ITV drama The Bill. She started her TV career as a dancer in 1988 on the musical film It Couldn't Happen Here, starring Neil Tennant and Chris Lowe of the Pet Shop Boys. In 1993, she made a guest appearance as school secretary Janet Clark in the Press Gang episode "Head and Heart." In 1995, she appeared in an episode of sitcom Men Behaving Badly as one of Tony's three girlfriends. Her mother is from Malta. She appeared in an episode of Minder, Opportunity Knocks and Bruises, as Amanda, a nurse and Ray Daley's latest girlfriend. She also appeared in ITV medical drama The Golden Hour in 2005. In 1999 she played a nurse in The New Professionals.