The Emmy award-winning actress has appeared in The Egg Salad Equivalency, The Tenure Turbulence and The Hofstadter Insufficiency.
She also stars in The Junior Professor Solution, The Retraction Reaction and The Inspiration Deprivation.
In one episode she, as Mrs Davis, tries to help Sheldon (Jim Parsons) change his field of study.
In the series she plays the administrator in the HR department at Caltech.
source: express.co.uk