*The Cowardly Lion's facial makeup included a brown paper bag.
*The "tornado" was a thirty-five foot long muslin stocking, photographed with miniatures of a Kansas farm and fields.
*According to lead Munchkin Jerry Maren, the "little people" on the set were paid $50 per week for a 6-day work week, while Toto received $125 per week.
*The film started shooting on 13 October 1938 and was completed on 16 March 1939 at a then-unheard-of cost of $2,777,000. It earned only $3,000,000 on its initial release.