Actor and former member of the boy band New Kids on the Block who has appeared in such films as Saw, Ransom, The Sixth Sense, The Perfect Storm and Planet of the Apes. He also starred in the HBO miniseries Band of Brothers and in 2010, he began playing Danny Reagan on the CBS series Blue Bloods.
He made his acting debut in the 1996 film Bullet.
He won a Teen Choice Award for his work in the Saw films.
He played a supporting role in the 1996 crime thriller Ransom, which stars Mel Gibson.