 The villain is an original character named Dr. Daka, a secret agent of the Japanese Imperial government, played by J. Carrol Naish.Rounding out the cast are Shirley Patterson as Linda Page, Bruce Wayne's love interest, and William Austin as Alfred, the Wayne Manor butler.The serial's story line involves the Batman, a secret U. S. government agent, attempting to defeat the schemes of Japanese agent Dr. Daka operating in Gotham City at the height of World War II.