Mary Healey (born 9th December 1942 in Rugby, Warwickshire) appeared on Coronation Street in two roles: firstly between January and February 1977 as Baldwin's Casuals employee Thelma James; and she returned to the programme in December 1990 as Yvonne Pendlebury.
Her other television credits include roles in Villette, Never Say Die, Villains, The Hole in the Wall, Crown Court, Holding On, The Duchess of Duke Street, The Mallens, Astronauts, Blott on the Landscape, King & Castle, The Bill, Mulberry, All in the Game, Heartbeat, Holby City, Night & Day, Doctors, The Cafe and Storyline.
On stage, she appeared in productions of Volpone, Measure for Measure, Long Day's Journey Into Night, All My Sons and Afore Night Come.