Interesting. I never quite believed someone like Susan would fall for George in the way she did, but you could detect a little distance between her and the regular cast in the scenes they had together. And Susan's parents were good for a few classic episodes, such as the one with the loaf of bread/Kramer's horse and buggy.

Happy days.

Looking back, her delivery always seemed somewhat flat. I can see how that could be difficult to work with.