3. Milo Ventimiglia as Peter petrelli Milo wanted to be an actor since he was eight years old, and it was at that age that he predicted to his parents that he would win an Academy Award in twenty years. Throughout his childhood, Milo showed that acting was what he wanted to do and that he was incredibly talented at doing so. Since then he has had numerous roles including Gilmore Girls and Heroes.

4. Sendhil Ramamurthy as Mohinder Suresh He was born in Chicago, Illinois, but raised in Texas. His parents, who are both from Tamil Nadu in Southern India, are both physicians. His father is an anesthesiologist, and his mother is a neonatologist. With two educated professionals raising him and his sister, they were both expected to make something of their lives.

5. Ali Larter as Niki Sanders New Jersey native Ali Larter began her career as a model at the age of 13 before moving to Los Angeles to pursue her acting career. She started off on stage and guest starring on numerous television shows, including Chicago Hope, Just Shoot Me, and Dawson's Creek before landing her first film role in the independent feature Casanova Falling. But it was her role in Varsity Blues opposite...

6. Hayden Panettiere as Claire Bennet Hayden Leslie Panettiere was born on August 21, 1989 in Palisades, New York. Her mom got her into the business when she was only 11 months old. She started off doing numerous commercials but at the age of 4 she was cast to star in the soap opera One Life To Live. In 1997, she left the soap opera and appeared in many feature films. She is best known for the role of...

7. Masi Oka as Hiro Akamura Masi Oka was born in Tokyo, Japan but his family moved to Los Angeles when he was 6 years old. Along with standard elemetary school, he attended Saturday school in L.A. where he learned English, U.S. history, etc. He graduated from Brown University with a major in Computer Science and Mathematics and a minor in Theatre Arts.

8. Adrian Pasdar as Nathan Petrelli Adrian Pasdar was born in Pittsfield, Massachusetts, but at the age of 2, his father, a prominent heart surgeon, moved the family to Powelton, Pennsylvania, a suburb of Philadelphia. In high school, he excelled at football, eventually leading to a football scholarship at the University of Florida in 1983. Football may have been a promising future, had it not been for a terrible accident...

9. Greg Grunberg as Matt Parkman Greg was born on July 11, 1966. Greg resides in Los Angeles, California. In 2000, Greg auditioned for the role of Fred Flintstone in The Flintstones in Viva Rock Vegas. Greg has been cast in almost every one of J. J. Abrams' projects. Early in his career, Greg appeared in several high profile televison commericals.

10. Zachary Quinto as Sylar/Gabriel Gray Zachary was born in Pittsburgh, Pennsylvania, USA on June 2nd, 1977. Zachary got into acting in 2000, with a role on the pilot of The Others. Since then Zachary has appeared in many small roles in several television shows including CSI: Crime Scene Investigation, Lizzie McGuire, Six Feet Under, and Crossing...