On Coronation Street she has played three roles:
- Claudette Munro - a "friend" of Kirk Sutherland's in July 2002
- An unnamed Doctor in March 2004
- A Woman who was chatted up in the Corner Shop by Dev Alahan in March 2007.
Other screen credits include roles in Wilderness Edge, Stan the Man, Cutting It and Bodies while on stage she has appeared in productions of Island of Death, What Can I Say?, Live & Direct, Exodus on Stage, Verbally Challenged and Rhubarb.
Jemma has also appeared on TV commercials and corporate videos.