Trivia

The actors playing Jellia Jamb (the King's translator/attendant) and Omby Amby (the soldier who can't find his bullets) were hired for one day and paid in cash. Barry Mahon never got their names.

Barry Mahon told "Variety" (in the 1 January 1969 issue) that he was negotiating to have El mago de Oz (1939) star Judy Garland narrate the film, but Garland did not, and died that same year.

Riffed in The Wonderful Land of Oz (2017) by Michael J. Nelson, Bill Corbett, and Kevin Murphy from Mystery Science Theater 3000 (1988) .

This is the earliest known sound film to feature General Jinjur. She was left out of the previous adaptation The Land of Oz (1960), in which a man named General Nikidik took her place. She may have appeared in some promotional short films commissioned by the book's printers in the 1930s, which are now lost.

Characters and incidents from the novel, which proved too difficult to stage, were left out. These include the Sawhorse, the river crossing, the Jackdaws, the Wishing Pills, the Sunflowers, and the Griffin. The Field Mice are represented by a single white rat who does not speak. The Gump (talking flying machine) appears but its screen time is minimal.