After Laurel and Hardy won the Rodriguez Good Neighbor Scroll, a popularity award in Mexico, Fox wanted to put their comedy team in a story set South of the Border.
Because the "B" Unit at Fox was closing down, Laurel and Hardy had less studio supervision and consequently more artistic freedom than their previous five Fox efforts.
Laurel & Hardy's final Hollywood movie. According to L&H biographer Scott MacGillivray, Twentieth Century-Fox offered to keep their "B"-movie department open for L&H, but they declined to do any more movies for Fox.
Laurel & Hardy's tit-for-tat egg routine with 'Carol Andrews' is a direct lift from their similar routine with Lupe Velez in Hollywood Party.
Mexican actress Diosa Costello was fortuitously visiting someone at Fox studios when she was spotted and cast in "The Bullfighters" as an afterthought. Even though she already had a strong Mexican accent, she was asked to exaggerate it in her dialogue delivery.
When Joan Bennett balked at appearing opposite George Raft in Nob Hill, the studio brought her into line by threatening to cast her in the Margo Woode role. Bennett reportedly later wished she had done "The Bullfighters" instead of "Nob Hill."