Elmo Roy Davidson, also known as E. Roy or Roy Davidson, was born in Missouri in 1889. After moving to Texas with his family, he moved to California around 1910. Davidson began working as a film scenario writer in the mid-1920s, and was well-established for his work in special effects within a decade. In addition to early work on Howard Hughes' air drama, Hell's Angels as the films "miniature director", Davidson contributed to forty-five films between 1930 and 1949. E. Roy Davidson died in 1962.

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Lloyd Vernon "Skip" Martin was a saxiphonist, clarinetist, and arranger who performed work for jazz bands, orchestras, and films between the 1930s and 1960s. His credited films include Singin' in the Rain (1952), A Star Is Born (1954), and the Howard Hughes-produced Jet Pilot (1957).

Martin was born on May 14, 1916 in Illinois. He died on February 12, 1976 in Los Angeles, California.

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Ren Wicks was an artist known for designing artwork for Lockheed Corporation fights and bombers during World War II, as well as paintings for the National Aeronautics and Space Association (NASA) of the Space Shuttle Endeavour. Wicks also worked for Howard Hughes, designing poster art of Jane Russell for The Outlaw (1943) and a number of RKO Radio Pictures films. Born on 1911 in New York, Wicks studied at the Art Center College of Design and Kann Institute in Los Angeles, California. He died in approximately 1997.

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