Actor known to TV audiences as the stern and mysterious John Locke on the popular television series Lost. He went on to have recurring roles in Hawaii Five-0 and 666 Park Avenue.
He attended Central Michigan University and the University of Iowa.
He played the title role in the horror film The Stepfather and subsequently Stepfather II.
He was married to Lori O'Quinn from 1979-2012; they are parents to two children.
He had a brief role in Braveheart starring Mel Gibson.