Judy Greer also worked on Two and a half Men. It does seem that while the male casts on both sets remained consistent, a procession of female actresses have worked on both sets.
So in fact Courtney Henggeler, despite being Sheldon's twin, has only been given the same amount of screen time as many very minor characters.
How have a never seen this before?
Great image from 2.17 The Terminator Decoupling.
Every single one of them looks great in this pic.
Jim with Kaley's dog. The poor little scruff looks a bit overwhelmed but maybe that's her usual face.
This guy's the perfect mannequin for tailored suits, but the results seem to vary.