As a child, Brodie had small roles in such films as Some Came Running (directed by Vincente Minnelli, 1958), The Five Pennies (1959) and Battle at Bloody Beach (1961). His first major role was in The Night of the Grizzly (1966), playing the son of Clint Walker. In the following year he appeared in the comedy Eight on the Lam (1967). During the same period he also made guest appearances on such popular television shows as Cheyenne, Ben Casey, Death Valley Days, My Three Sons and Mannix. In 1975 he was one of the leads in the low budget sci-fi thriller The Giant Spider Invasion, appearing with his father, Steve Brodie.