The Little Colonel, starring Shirley Temple and Lionel Barrymore; John Ford's The Whole Town's Talking, starring Edward G. Robinson and Jean Arthur; the 1937 version of The Adventures of Tom Sawyer; Frank Capra's classic Mr. Smith Goes to Washington, again with Jean Arthur, also starring James Stewart and Claude Rains; John Ford's classic The Grapes of Wrath, adapted from the novel of the same name by John Steinbeck, and starring Henry Fonda and Jane Darwell; the iconic Citizen Kane, directed by and starring Orson Welles; Cover Girl (1944) starring Rita Hayworth and Gene Kelly; Capra's It's a Wonderful Life (1947), starring Jimmy Stewart and Donna Reed; the 1950 John Wayne vehicle, Sands of Iwo Jima (1950); Billy Wilder's Sunset Blvd. (1950), starring William Holden and Gloria Swanson; and the 1955 version of My Sister Eileen starring Janet Leigh, Jack Lemmon, and Betty Garrett. One of his final big screen performances would be in another small role in 1957's Jet Pilot, starring John Wayne and Janet Leigh. In addition to his feature film work, O'Connor would appear in several serials, including G-Men Never Forget in 1948, Superman in 1948, Ghost of Zorro (1949), Batman and Robin (1949), King of the Rocket Men (1949), The Invisible Monster (1950), Atom Man vs. Superman (1950), and Captain Video: Master of the Stratosphere (1951). With the advent of television, O'Connor would make numerous appearances on the small screen. His first appearance was in a 1952 episode of Racket Squad. Other series on which he appeared include: Dragnet, Adventures of Superman, and Perry Mason. His final performance would be on a 1959 episode of M Squad, which aired on April 17, shortly before his death. O'Connor died on November 22, 1959, at the age of 77, in Los Angeles, California. Partial filmography The Voice in the Fog (1915) Madame Sherry (1917) The Silent Witness (1917) The Unwritten Code (1919) Everything for Sale (1921) A Virginia Courtship (1921) A Homespun Vamp (1922) The Lawful Cheater (1925) One of the Bravest (1925) Go Straight (1925) Free to Love (1925) The Block Signal (1926) Exclusive Rights (1926) Hearts and Spangles (1926) The Silent Power (1926) Spangles (1926) Heroes of the Night (1927) Your Wife and Mine (1927) Colleen (1927) Why Sailors Go Wrong (1928) The Masked Angel (1928) Call of the Circus (1930) King Kong (1933) The Son of Kong (1933) Roast Beef and Movies (1934) Men of the