Petty first became famous for playing Keanu Reeves' surfer girlfriend in the 1991 action thriller Point Break. Prior to that, she got her break starring with Richard Grieco in Fox's Booker. In 1992, Petty was featured in the box office hit A League of Their Own which starred Tom Hanks, Geena Davis and Madonna. Petty played the title role in Tank Girl in 1995, which made her into a cult icon. Her other films include Free Willy and In the Army Now.  Petty is also known for providing the voice of the supervillain Livewire on Warner Bros.' Superman: The Animated Series, and The New Batman Adventures. Petty's directorial debut, The Poker House (2008) won awards at the Los Angeles Film Festival.