Alison Elizabeth Ali Larter is an American actress. She is best known for playing the dual roles of Niki Sanders and Tracy Strauss on the NBC science fiction drama Heroes as well as her guest roles on several television shows in the 1990s.
Larter was born in Cherry Hill, New Jersey, Larter is the daughter of Margaret, a realtor, and Danforth Larter, a trucking executive. She attended Carusi Middle School and later graduated from Cherry Hill High School West during her time as a model, but she didnt finish senior year of high school because of modeling. Her mom accompanied her everywhere until she turned 18. Her parents have since moved to Allentown, Pennsylvania.
Source: Wikipedia