Actor. Born in the town of Clark's Summit, Pennsylvania (Northwest of Scranton), he attended the Naval Academy, however he left prior to graduation due to a temporary vision problem. His lengthy career in entertainment began in 1940, when he performed in summer stock in Virginia and while there, he met another young actor named Gregory Peck. The two became close friends and both would travel to New York, where they became associated with the Neighborhood Playhouse. By then World War II had intervened. He served with the US Army Air Corps in Europe and upon returning home, he studied at the Actor's Studio and got his break on radio. In 1947, he marked his Broadway debut in "Galileo" and appeared in four more plays including "Detective Story" (1949 to 1950), originating the part of Arthur Kindred. Television roles followed and Hollywood soon noticed him which led to his film introduction in the war picture "The Frogmen" (1951). Other prominent roles include "Deadline-USA" (1952), "The Barefoot Contessa" (1954), both opposite Humphrey Bogart and what is perhaps his best known role as "Doc" Ostrow in the classic science-fiction film "Forbidden Planet" (1956). Stevens most prolific work was on TV which included a featured role as Lieutenant William Storm in "Tales of the 77th Bengal Lancers" (1956 to 1957) and memorable parts in episodes of the classic series "The Twilight Zone" ("Dead Man's Shoes, 1962) and "Star Trek" ("By Any Other Name" as Rojan, 1968). In addition, he provided the voice of John Bracken in the series "Bracken's World" (1969 to 1970). Over the next four decades, he remained active in television and films playing one of his final roles in an episode of "E.R." (2006). He died from complications of lung disease.