. "But years before he traveled into space, Mumy was already a veteran actor making appearances on such shows as Dennis the Menace, Alfred Hitchcock Presents, and Dr. Kildaire.Fans of the original The Twilight Zone, know him for his character of Anthony Fremont in the episode it is a Good Life. (Look for a nod to Anthony Fremont the next time you enter the Tower of Terror attraction.) Mumy also ap" . . . .