Gwen Harris appeared on Coronation Street in three roles:
- OAP Mrs. Leach in February 1973
- Mark Brittain Warehouse employee Ethel Fox, appearing in November 1974
- OAP Matilda Hench in October 1975.
Her other credits included roles in Hadleigh, Village Hall, The Wild West Show, Centre Play and Emmerdale Farm.
On stage, she appeared in a production of Meet Mr Tombs at the Bristol Hippodrome.
