Barry Knapp Bostwick is an American stage and screen actor and singer. He is best known for portraying Brad Majors in the musical comedy hor…Barry Knapp Bostwick is an American stage and screen actor and singer. He is best known for portraying Brad Majors in the musical comedy horror The Rocky Horror Picture Show and Mayor Randall Winston in the sitcom Spin City. He has also had considerable success in musical theatre, winning a Tony Award for his role in The Robber Bridegroom.