Shortly after graduation, she decided to return to acting full-time, and studied at the Stella Adler Conservatory, New York University's Stonestreet Studio and at Michael Howard Studios. Sagemiller was mentioned in Movieline magazine in August 2001. In November 2001, Sagemiller appeared in Gear magazine. In early career, she starred on number of teen films, like Get Over It and Sorority Boys, and was lead Actress in 2002 thriller Soul Survivors.