In 1996, Walton was cast as Dash McKinley in the police drama series Blue Heelers. Her character was introduced halfway through Season 3. To win the role of Dash, Walton auditioned three times. Her second one with william McInnes (Nick Schultz) gained her the role. In the audition Schultz yelled at Dash and while some of the other actresses burst into tears, Walton reacted by laughing. In the same year she made her film debut in Fistful of Flies. Her last episode of Blue Heelers, "The Full Circle" screened in mid-1999. Walton stated that she was leaving the series to pursue other acting projects and to be with her then boyfriend in Sydney.