Bruce Yarnell (December 28, 1935 – November 30, 1973) was an American actor who co-starred in the second season (1961-1962) of NBC's Western television series Outlaws, set in the lawless Oklahoma Territory. He was also a noted Broadway and opera baritone.Yarnell played Deputy U.S. Marshal Chalk Breeson, having replaced Jock Gaynor (1929-1998) in the role of deputy Heck Martin. Yarnell's principal co-star, Don Collier (born 1928), played Marshal Will Foreman.