Where was The Incredibly Strange Creatures Who Stopped Living and Became Mixed-Up Zombies filmed?

1964 film by Ray Dennis Steckler

The Incredibly Strange Creatures Who Stopped Living and Became Mixed-Up Zombies (1964) was filmed in Long Beach and Glendale, 2 places named in its Wikipedia article, in the United States. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

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