Casting South of the Border introduced the fifteen-year-old actress
Mary Lee in her first of nine appearances in Gene Autry films. She was discovered by
Warner Bros. talent scouts while singing with the Ted Weems Orchestra and signed for a role in
Nancy Drew, Reporter (1939). After hearing Lee singing one of his songs, Autry arranged for her to appear with him in
South of the Border. In five of her nine film appearances with Autry, Lee played the younger sister of June Storey's characters. Lee's older sister Vera worked as one of Autry's secretaries, and her father worked for years as a caretaker at Autry's home and offices.
Filming and budget South of the Border was filmed October 30 to November 11, 1939. The film had an operating budget of $75,947 (equal to $ today).
Stuntwork • Joe Yrigoyen (Gene Autry's stunt double) • Jack Kirk • Nellie Walker • Bill Yrigoyen • Duke York
Soundtrack • "
South of the Border" (Jimmy Kennedy, Michael Carr) by Gene Autry • "South of the Border" (Reprise) by Gene Autry, Smiley Burnette, June Storey, Mary Lee, and The Checkerboard Band at the end • "Come to the Fiesta" (Art Wenzel) by Gene Autry, Smiley Burnette, and The Checkerboard Band • "Moon of Manana" (Gene Autry, Johnny Marvin) by Gene Autry • "Girl of My Dreams" (Sunny Clapp) by Gene Autry (vocal and guitar) • "Goodbye Little Darlin' Goodbye" (Gene Autry, Johnny Marvin) by Gene Autry and Mary Lee • "Merry-Go-Roundup" (Gene Autry, Johnny Marvin, Fred Rose) by Mary Lee • "When the Cactus Blooms Again" (Gene Autry, Johnny Marvin) by Gene Autry, Smiley Burnette and The Checkerboard Band • "Horse Opry" (Fred Rose) by Gene Autry and June Storey • "Fat Caballero" (Smiley Burnette) by Smiley Burnette ==Accolades==