Joined a musical theater group at age four and played the scarecrow in a production of "The Wizard of Oz"

Began appearing in commercials for Sunny Jim peanut butter, Cocoa Puffs and Pop-Tarts

First TV appearance on an episode of "Family Ties" (NBC)

TV series debut as David Collins in "Dark Shadows" (NBC)

Had a bit part in the family film "Beethoven"

Played a young Norman in Robert Redford's "A River Runs Through It"

Cast as regular on NBC sitcom "The Powers That Be"

First leading role in a feature, "Angels in the Outfield"

Had recurring role as George on "Roseanne" (ABC)

Co-starred as Demi Moore's son in "The Juror"

Played Tommy Solomon on the NBC sitcom "3rd Rock from the Son"

Co-starred in the above-par teen comedy "10 Things I Hate About You"

Replaced Gale Harold in the Off-Broadway production of "Uncle Bob"

Voiced the character Jim Hawkins in the animated feature "Treasure Island"

Played a a teenage hustler in the drama "Mysterious Skin"

Played a teen who becomes involved in an underground drug ring in the teenage film noir, "Brick"

Appeared in Lee Daniels' indie film "Shadowboxer"

Played a disabled janitor who gets caught up with bank robbers in "The Lookout"

Featured in the Iraq war drama, "Stop-Loss"; directed by Kimberly Peirce

Co-starred with Zooey Deschanel in the romantic comedy "(500) Days of Summer"

Played multiple roles, including Cobra Commander, in the live-action film, "G.I. Joe: The Rise of Cobra"