What the Big Bang Theory cast looked like in high school


[post_page_title]Michael Trucco playing David Underhill[/post_page_title]
In season two, we were introduced to Michael Trucco’s character, David Underhill. Unlike all of the other physicists at Caltech, David is a bad boy. He wears a leather jacket, he has fun outside of work, and he definitely knows how to woo the ladies.

Leonard is over the moon to be able to work with David, but things get a little complicated when he starts dating Penny. Things get even more complicated when Penny discovers that David is not as single as he makes out. Instead, he is married.

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