RATINGS: Cast & Crew

DOB: March 13, 1985

Background: Hirsch was born in Topanga, California, where he was introduced to acting by his older sister while they were enrolled at the Will Geer Theatricum, a summer drama camp.

Filmography: The young actor made several TV guest appearances early in his career, including "3rd Rock from the Sun," "Early Edition," and "Sabrina the Teenage Witch." He came to the attention of casting directors when he guest starred on "NYPD Blue" in 1999, after which he did a two-episode stint on "ER."

In the last ten years, Hirsch's film career has taken off. He starred in "The Emperor's Club" (2002), "The Dangerous Lives of Altar Boys" (2002), "The Girl Next Door" (2004), and "Alpha Dog" (2006). A significant breakthrough came for him in 2007, when he starred in the biopic "Into the Wild," directed by Sean Penn. Since then he has starred in "Speed Racer" and played a supporting role in the Best Picture-nominated "Milk."

SAG Awards:

Best Film Ensemble Nominations
"Milk" (2009); lost to "Slumdog Millionaire"
"Into the Wild" (2008); lost to "No Country for Old Men"

Best Film Actor Nomination
"Into the Wild" (2008); lost to Daniel Day-Lewis ("There Will Be Blood")