David Bowditch Morse (born October 11, 1953) is an American actor. Morse became widely known for his role as Dr. Jack "Boomer" Morrison in the NBC medical drama series St. Elsewhere (1982–88). Some other notable roles are in The Negotiator, The Good Son, Horns, Contact, The Green Mile, Dancer in the Dark, Disturbia, The Hurt Locker, The Long Kiss Goodnight, The Rock and 12 Monkeys.