In 2001, Brian won a SAG Award for Outstanding Performance by a Male Actor in a Television Movie or Miniseries for Death of a Salesman.
Brian's father was a "AP News" staffer.
Brian won the Sarah Siddons Award for his work in Chicago Theatre in 1999.
Brian has said that his favourite movie is On the Waterfront.
Brian has been married to his current wife, Jennifer Arnott, since 1988.
Brian is the father of actress Elizabeth Dennehy who has had role in the television series' Charmed and The West Wing.
Brian studied dramatic arts at Yale University.
Brian is a member of the Sigma Chi Fraternity, which is one of the oldest and largest fraternities in America.
Brian is good friends with lifestyle guru Martha Stewart, with whom he worked with at a stockbroking firm.
Brian is the father of actress Kathleen Dennehy who has had roles in television shows such as Law & Order and E.R.
Brian married Judith Scheff in 1959 but they divorced in 1974.
Brian was parodied in the South Park movie South Park: Bigger, Longer & Uncut.
Brian majored in History at Columbia University, where he attended on a football scholarship.
Brian attended Chaminade High School in Mineola, New York which is a boys-only Roman Catholic high school.
Brian served in the United States Marine Corps from 1959 to 1963.