On April 22, 1962, Gallison, under the name Evan McCord, appeared as Jim Martin, Jr., in the episode "The Youngest" of the ABC-Warner Brothers western series, Lawman. In the story line, "Ma" Martin (Olive Carey) bullies her three sons, particularly the youngest, Jim, Jr., to take revenge on Marshal Troop for the rightful shooting death of their father, who pulled a gun while involved in a crooked poker game. Jim, however, decides to stand up to his mother with the realization that his father provoked the shooting.