Jim McMullan (born October 13, 1936) appears in the recurring role of Senator Andrew Dowling, who eventually marries Donna Culver Krebbs the former wife of Ray Krebbs, in Season 10 of the CBS-TV series Dallas, for a total of 14 episodes. He is perhaps best known for this role and for the role as Dr. Terry McDaniel on the 1960s ABC-TV series Ben Casey. McMullan's many feature film credits include Shenandoah (1965), Extreme Close-Up (1973), The Incredible Shrinking Woman (1981) and Batman and Robin (2000).