[2] The film's sets were designed by the art directors Ernst H. Albrecht and Wilhelm Vorwerg.

[citation needed] British Secret Service agent Major Anders investigates Professor Larsen who has invented a death ray on his island.

Arch criminal Dr. Mabuse is among the parties anxious to get their hands on this new technology.

[citation needed] The Secret of Dr. Mabuse was released in West Germany on 18 September 1964.

[1] Creature Feature gave the movie two stars, calling it dreary.