In 2006, she was cast as Carla Connor in the ITV soap opera, "Coronation Street". She made her first appearance in the role in the episode broadcast on 1 December 2006. She had previously appeared in the soap in 2004 as an unrelated character named Mrs. Fanshaw. Her one-episode role was part of a larger storyline to "sex up" Ryan Thomas's character, builder Jason Grimshaw. She went on maternity leave in 2009. King's role in the soap involved high-profile storylines. In 2010, she was involved in the death of Tony Gordon storyline, in which she had to be kidnapped in the Underworld factory.