Freddie Prinze, Jr. is an American actor best known for his leading roles in teen-oriented films such as I Know What You Did Last Summer (1997), I Still Know What You Did Last Summer (1998), and She's All That (1999).
He also had his own sitcom called Freddie, which ran for 22 episodes from 2006-2006.
Other movies Prinze has appeared in include To Gillian on Her 37th Birthday (1996); Wing Commander (1999); Boys and Girls (2000); Head Over Heels (2001); Summer Catch (2001); Scooby-Doo (2002); Scooby Doo 2: Monsters Unleashed (2004); Brooklyn Rules (2006); and Shark Bait (2006).
He has made guest appearances on the television shows Family Matters (his screen debut in 1995), Frasier, Friends, Robot Chicken and George Lopez; and had a three-episode recurring role as Donny Crane - the son of William Shatner's character Denny Crane - in the dramedy Boston Legal, from 2004-2006.
Prinze has been married to actress Sarah Michelle Gellar since 1 September 2002. The couple met on the set of I Know What You Did Last Summer.