Lizzy Caplan is billed as a "breakthrough actress" every time she takes on a role. It started with Mean Girls, continued with Party Down, happened again with True Blood, and then once more with her lead role in Save the Date. We all get in now, though, right? She's arrived. She's been here. You fools were just too lost in other actors of the moment to keep your attention on her. But with her starring role as Virginia Johnson in Showtime's Masters of Sex, she's hard to look away from. 

Easily this fall's best new drama, Masters of Sex is finally fixing the spotlight on the 31-year-old entertainer. By the end of the season, she'll be more than just "that girl who did that one show, remember her?" Get to know your new favorite actress with 25 Things You Didn't Know About Lizzy Caplan.

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