From Wikipedia, the free encyclopedia. Michael Sacks (born September 11, 1948) is an American actor and tech executive who played the role of Billy Pilgrim in George Roy Hill's Slaughterhouse Five, an adaptation from the novel by Kurt Vonnegut. Sacks also appeared in Steven Spielberg's The Sugarland Express, as the kidnapped highway patrolman; The Amityville Horror, as James Brolin's character's friend and coworker; and Hanover Street, with Harrison Ford. On... see more