Alison Elizabeth "Ali" Larter (born February 28, 1976) is an American actress best known for playing the dual roles of Niki Sanders and Tracy Strauss on the NBC science fiction drama Heroes. She also appeared in guest roles on several television shows in the 1990s. Her screen debut came in the 1999 film Varsity Blues, followed by the horror films House on Haunted Hill and Final Destination. Major supporting roles in the comedy Legally Blonde and the romantic comedy A Lot Like Love led her to le...