Author H.G. Wells disliked this movie adaptation of his novel 'The Island of Doctor Moreau'. Wells felt the film's emphasis on horror overshadowed the novel's philosophical themes.
In response to British censors who claimed the film was "against nature," Charles Laughton's wife Elsa Lanchester is said to have stated, "Of course it's against nature. So's Mickey Mouse!"
All the fog seen in this film was real.
Paramount held a national contest to find a woman to play Lota the Panther Woman. A reported 60,000 women participated in this contest.
The shooting location for Moreau's mysterious uncharted island was actually Catalina.