Made near the end of her seven-year contract with RKO, where she had become known as "Queen of the 'Bs'", in about 15 years Lucille Ball, along with her husband Desi Arnaz would own the studio.
According to contemporary articles in The Hollywood Reporter, Joel McCrea was cast as the male lead in this film, and Lucille Ball replaced Dorothy Comingore as the female lead due to the latter's illness.
According to an Associated Press article of 28 September 1990, an 80-minute edited version of Fantasia (1940) ran as a second feature to Valley of the Sun (1942) in some markets.