Gillian Cally appeared on Coronation Street in four roles:
- Geraldine Crawshaw, chairperson of the tenants' association at Quebec House, Weatherfield Quays in January 1990
- Mrs Williams, Nursing Principal at Weatherfield General in March 1993
- Sheena Taylor in December 1995
- Consultant gynaecologist Maureen Shepherd who diagnosed Alma Halliwell's cervical cancer in May 2001.
LAMDA trained, her other credits include roles in Within These Walls, The Practice, Children's Ward, The Scarlet Pimpernel, Fat Friends, Holby City, Doctors, The Royal Today, Emmerdale and All at Sea.
On stage she has appeared in productions of The Winter's Tale, The Grapes of Wrath, Hamlet, The Seagull, Mansfield Park, Canterbury Tales, Hunchback of Notre Dame, Charlotte's Web, To Kill a Mockingbird, Assumption, Eugenie Grandet, Britten's Got Talent and Milly and the Minotaur.