Paul Rudd stars in the March 22 comedy Admission, which also features Tina Fey. The two star as an unlikely pair brought together through Tina's job as a Princeton admissions counselor. We chatted with Paul about getting to know Tina on set — they actually didn't really know each other before shooting — and his similarities to his character in the film, a man who travels around the world nonstop, compulsively doing good.