Thomas Lester Tryon (January 14, 1926 – September 4, 1991) was an American actor and novelist. As an actor, he was billed as Tom Tryon and is best known for playing the title role in the film The Cardinal (1963), featured roles in the war films The Longest Day (1962) and In Harm's Way (1965), acting with John Wayne in both movies, and especially the Walt Disney television character Texas John Slaughter (1958–1961). Tryon later turned to the writing of prose fiction and screenplays, and wrote several successful science fiction, horror and mystery novels as Thomas Tryon. Early life and education Thomas Tryon was born on January 14, 1926, in Hartford, Connecticut, the son of Arthur Lane Tryon, a clothier and owner of Stackpole, Moore & Tryon (he is often erroneously identified as the son of silent screen actor Glenn Tryon). He served in the United States Navy in the Pacific from 1943 to 1946 during and after World War II. Acting career Broadway Tryon appeared on stage in Wish You Were Here (1952), Cyrano de Bergerac (1953), and Richard III (1953). Early appearances Tryon appeared in The Way of the World (1955). He also guest-starred in 1955 as Antoine De More in the two-part episode "King of the Dakotas" of NBC's western anthology series Frontier. Paramount Tryon was signed to a long term contract to Paramount. His film debut was in The Scarlet Hour (1956) at Paramount, directed by Michael Curtiz. It was a crime drama about a man whose married lover persuades him to commit a robbery; Tryon was second billed. He was top billed in a low budget war film at Allied Artists, Screaming Eagles (1956), then supported Charlton Heston and Anne Baxter in Three Violent People (1956) at Paramount. He was announced for, but did not end up appearing in, Short Cut to Hell. Tryon's work was mostly in TV, appearing in Jane Wyman Presents The Fireside Theatre, The 20th Century-Fox Hour, Playhouse 90 (an adaptation of Charley's Aunt), Zane Grey Theater, Studio 57, Matinee Theatre, and Lux Video Theatre. He had a support role in RKO's The Unholy Wife (1957) billed after Rod Steiger and Diana Dors. He had the lead in a low budget science fiction film at Paramount, I Married a Monster from Outer Space (1958). Tryon appeared in the lead in "The Mark Hanford Story" (February 26, 1958) on NBC's Wagon Train