Rory Mallinson (October 27, 1913 – March 26, 1976) was an American actor of film and television.
 Born on October 27, 1913 in Atlanta, Georgia, Mallinson would begin his acting career after signing a contract with Warner Brothers in 1945.
 That year he would have a small role in the film, "Pride of the Marines", starring John Garfield and Eleanor Powell.
 Mallinson would continue making films through the 1940s, and throughout the 1950s, appearing in over 90 films during this period.
 Notable films in which he would perform include: a featured role in the 1947 film noir "Dark Passage", starring Humphrey Bogart and Lauren Bacall; "Mighty Joe Young" (1949); the Abbott and Costello vehicle, "Abbott and Costello Meet the Invisible Man" (1951); the 1952 western, "Springfield Rifle", starring Gary Cooper; and Howard Hawks' 1952 film, "The Big Sky", which stars Kirk Douglas, Dewey Martin, and Elizabeth Threatt.
 In the early 1950s, he also had a featured role in the film serial, "Blackhawk".
 His final performance in the film industry would be in the western, "Westbound" (1959), starring Randolph Scott and Virginia Mayo.
 During the 1960s, his career diminished, and he would only make a handful of guest appearances on several television series during the decade, including performances on "Cheyenne" and "Mannix".
 Mallinson died on March 26, 1976 in Los Angeles, California.
Ben "Son" Johnson, Jr. (June 13, 1918 – April 8, 1996) was an American stuntman, world champion rodeo cowboy, and Academy Award-winning actor.
 The son of a rancher, Johnson arrived in Hollywood to deliver a consignment of horses for a film.
 He did stunt-double work for several years before breaking into acting through the good offices of John Ford.
 Tall and laconic, Johnson brought further authenticity to many roles in Westerns with his extraordinary horsemanship.
 An elegiac portrayal of a former cowboy theatre owner in the 1950s coming-of-age drama, "The Last Picture Show", won Johnson the 1971 Academy Award for Best Supporting Actor and the BAFTA Award for Best Supporting Actor.
 He operated a horse-breeding farm throughout his career.
 Although he said he had succeeded by sticking to what he knew, shrewd real estate investments made Johnson worth an estimated $100 million by his latter years.
Judson (J The Kid) Mills (born May 10, 1969) is an American actor.
 He is known for his performances as Texas Ranger Francis Gage in the American action drama television series" Walker, Texas Ranger" (1999 - 2001).
 Judson Mills joined the TV series in the second episode of Season 7 "In Harm's Way" together with his female partner and good friend Sydney Cooke (Nia Peeples) to back up Walker and his team.
 From 1991 to 1993, Judson Mills performed as Alexander "Hutch" Hutchinson on "As the World Turns".
 He also appeared on "The X-Files" and Disney' s "Mighty Joe Young" as supporting actor.
 Judson also appeared on episodes on "Saving Grace" as Ham's brother as a Marine.
Halls of Montezuma is a 1951 World War II war film starring Richard Widmark, Richard Boone, Jack Palance and Karl Malden.
 The film, which is about U.S. Marines fighting on a Japanese-held island, was directed by Academy Award-winner Lewis Milestone.
 It also starred Robert Wagner in his first credited screen role and featured Richard Boone in his feature film debut.
 Real color combat footage from the war in the Pacific was incorporated into the film's cinematography.
Mighty Joe Young (a.k.a.
 Mr. Joseph Young of Africa and The Great Joe Young) is a 1949 American black-and-white fantasy film from RKO Radio Pictures made by the same creative team responsible for "King Kong" (1933).
 Produced by Merian C. Cooper, who wrote the story, and Ruth Rose who wrote the screenplay, the film was directed by Ernest B. Schoedsack and stars Robert Armstrong (who appears in both films), Terry Moore, and Ben Johnson in his first credited screen role.
Swami Dada is a 1982 Hindi-language Indian feature film directed by Dev Anand, starring Mithun Chakraborty, Naseeruddin Shah, newcomer "Christine O'Neil", Padmini Kohlapure and Dev Anand.
 The film was the first credited screen appearance of Jackie Shroff.
 Music was provided by R.D.Burman for this film.
 A couple of songs became popular.
Adele Balkan (August 27, 1907 – November 20, 1999) was an American costume designer whose career spanned 40 years working on motion pictures during Hollywood's Golden Age of Classical cinema.
 Her credits for Paramount, Universal Studios, RKO, and 20th Century Fox include work on “Mighty Joe Young,” “The Blue Angel” (with May Britt), and The Fly.
Poor Jake's Demise is a 1913 American silent short slapstick comedy film directed by Allen Curtis and featuring Max Asher and Lon Chaney.
 The slapstick film focuses on Jake who finds his wife in a compromising position with another man and later takes his revenge with a seltzer bottle.
 It is one of several slapstick comedy films Chaney made for Universal at the start of his career and is also his first credited screen role.
 The film was presumed lost, but a fragment of the film was discovered in England in May 2006 and restored.
Franklin Parker (November 8, 1902 – June 12, 1962), also known as Frank Parker or Franklyn Parker, was an American character actor who appeared in over 100 films during his twenty-five career.
 Born in Fillmore, Missouri on November 8, 1902, he began his show business career on the vaudeville and Broadway stages, where he proved himself an admirable singer.
 During those years he would often be billed as Pinky.
 In his final screen performance, on the small screen's The Donna Reed Show in 1961, he would return to his roots and be credited as Franklin Pinky Parker.
 His film career would include appearances in such classic films as "They Were Expendable", "It's a Wonderful Life", "Mr. Blandings Builds His Dream House", "Mighty Joe Young", and "Pat and Mike".
 Occasionally he would have a larger role, such as the lead in the 1935 film, "Sweet Surrender".
 He would die of a heart attack in Hollywood, California on June 12, 1962.
Willis Harold O'Brien (March 2, 1886 – November 8, 1962) was an American motion picture special effects and stop-motion animation pioneer, who according to ASIFA-Hollywood "was responsible for some of the best-known images in cinema history," and is best remembered for his work on "The Lost World" (1925), "King Kong" (1933) and "Mighty Joe Young" (1949), for which he won the 1950 Academy Award for Best Visual Effects.

Question: For which film, did the actor whose first credited screen role was in the film Mighty Joe Young, win an Academy Award ?
Answer: "The Last Picture Show"