https://www.metv.com/stories/anne-baxter-said-that-playing-a-batman-villain-appealed-to-the-child-in-her

The actor previously played Olga, Queen of the Cossacks.

Here's why Egghead was considered ''the ideal Vincent Price character.'' (https://www.metv.com/stories/vincent-price-called-egghead-the-ideal-vincent-price-character)

“This Egghead fellow is a bit of a kook," said Price.