- An unnamed Nursing Sister at Weatherfield General when Tracy Barlow was admitted in March 1995
- TV reporter Gilly Saunders who interviewed Lily Dempsey about Mayfield Court in July 1996
- Housewife Mrs Hardy in June 1999
- DC Ann Short who was involved in the alleged disappearance of Linda Baldwin in the autumn of 2001.
Sometimes credited as "Joanne Knowles", her other work on-screen include roles in Juliet Bravo, Brookside, City Central, Cold Feet, Extremely Dangerous, Hollyoaks, The Parole Officer, Barbara, Phoenix Nights, Fat Friends, Emmerdale, Dream Team, EastEnders, Sweet Medicine, The Last Detective, Murder in Suburbia, Mile High, Casualty, The Bill, Holby City, Waterloo Road, Hetty Feather, Young Dracula and Doctors.