Other TV appearances include Within These Walls (1974–75), The Velvet Glove (1977), Together (1980), Worzel Gummidge (1979–81), in which she played the recurring role of Enid, The Black Adder (1983), Miracles Take Longer (1984), Shroud for a Nightingale (1984), and Happy Families (1985).
In 1985 she joined the cast of the internationally successful BBC television sitcom Last of the Summer Wine as Glenda, the daughter of Thora Hird's character.
[1] In December 2007, Thomas starred in Cinderella at the Assembly Hall Theatre, Tunbridge Wells as the Fairy Godmother, appearing with Tom Vaughan, from Hollyoaks, and Barney Harwood.
In 2008/09, she again starred as the Fairy Godmother in Cinderella, but this time at the Grand Theatre in Swansea, alongside Su Pollard and Chris Jarvis.
From December 2009 to January 2010 she appeared in Jack and the Beanstalk at the Malvern Theatre, alongside Mike Fischetti and Colin Baker.