Don Megowan was born in Inglewood, California to Robert and Leila (nee Dale) Megowan. Leila was a negative cutter for Pathé, possibly what interested him in acting. At 6’7″ he was very active in sports, playing baseball, football, and throwing discus. He went to the University of California on a football scholarship, before serving in the United States Army during World War II. Megowan starred in the science fiction films: The Werewolf in the role of Sheriff Jack Haines, in The Creation of the Humanoids (1962) as a captain in the anti-robot Order of Flesh and Blood, who must stop the Humanoids, and more notably, The Gill-man in The Creature Walks Among Us. Megowan also appeared in westerns: Davy Crockett, King of the Wild Frontier (1955), The Great Locomotive Chase (1956), Tarzan and the Valley of Gold (1966), The Devil’s Brigade (1968) and Mel Brooks Blazing Saddles (1974). In 1962, he starred with Cameron Mitchell in the television series, The Beachcomber. He guest starred in various programs, including the westerns: Gunsmoke, Wagon Train (twice), The Californians, The Tall Man, Maverick, Cimarron City, Have Gun–Will Travel, Tales of Wells Fargo, The Rifleman, Lawman, Cheyenne, Colt .45, Bonanza, The Americans, Rawhide, and Daniel Boone. He was also cast in episodes of such series as Angel, U.S. Marshal, Get Smart, and Fantasy Island. Megowan, a smoker from age 12 to 48 died of throat cancer at age 59. His weight had dwindled from nearby 300 pounds to barely 150.