A handsome yet typical-looking adolescent actor of TV and features, Thomas Ian Nicholas earned his first starring film role at age 12 in the baseball fantasy comedy "Rookie of the Year" (1993). Previously he had appeared in "Radio Flyer" (1992), portrayed the son of an agoraphobic Christine Lahti in the made-for-cable "The Fear Inside" (Showtime, 1992), and did guest spots on several TV series including "Who's the Boss?", "Married With Children" and "Dr. Quinn, Medicine Woman". Nicholas also appeared the leading role in "A Kid in King Arthur's Court" (1995), as a California teenager who is tranported back in time to Camelot and the direct-to-video sequel "A Kid in Alladin's Palace" (1998). He graduated to teen sex comedies, appearing asTara Reid's sexual naif beau in "American Pie" (1999), a role he reprised to lesser effect in the sequels "American Pie 2" (2001) and "American Wedding" (2003). Arfter a stint as a regular on the final season of the TV series "Party of Five" and a role in "Halloween: Resurrection" (2002), another attempt to squeeze box office dollars out of the horror franchise, Nichols was cast in a slightly more mature role in the 2002 adaptation of novelist Brett Easton Ellis' "The Rules of Attraction."