A new cast has been announced for This Is Our Youth at the Garrick Theatre.

Hollywood heart-throb Freddie Prinze Jr. will take over the part of Dennis, currently played by Colin Hanks, in Kenneth Lonergan's This Is Our Youth beginning Jan. 16, 2003.

"American Pie" star Chris Klein will take over from Kieran Culkin to play Warren, and Heather Burns replaces Alison Lohman as Jessica in the fourth cast of the play, which is extending its run at the Garrick Theatre until March 15, 2003.

Heather Burns (Jessica) is a rising young star who appeared in the Sandra Bullock vehicle "Miss Congeniality" and with Tom Hanks and Meg Ryan in "You've Got Mail." She is currently starring with Sandra Bullock again in "Two Weeks Notice," which opens in the U.S. this week. Heather Burns' stage experience includes the New York production of Kenneth Lonergan's Lobby Hero.

Chris Klein (Warren) is well known for his lead performances in the hugely successful "American Pie" films. He also starred in "Election" alongside Reece Witherspoon, "We were Soldiers" with Mel Gibson and has just finished filming Kevin Spacey's new film, "The United States of Leland."

Freddie Prinze Jr. (Dennis) is already an established Hollywood star, with a string of lead roles to his name, including "Scooby Doo" and "I Know What You Did Last Summer."

This Is Our Youth's success lies in the way Lonergan's script catches the speech and thought of prosperous but alienated young Americans in 1982. As a play, it appeals to a young audience, and proved one of the hits of the West End this summer.