Don Collier (born October 17, 1928) is an actor particularly known for his role in television westerns during the 1960s. He played U.S. Marshal Will Foreman in the 1960-1962 NBC series Outlaws, with Barton MacLane (1902–1969), Jock Gaynor (1929–1998), and Bruce Yarnell (1935–1973). He appeared as a deputy marshal to MacLane in the first season of Outlaws and was promoted to full marshal in the second season, with Yarnell as the new deputy. MacLane left the series after the first season.