The Secret of Dr. Mabuse or The Death Ray of Dr. Mabuse (German:Die Todesstrahlen des Dr. Mabuse) is a 1964 science fiction crime film directed by Hugo Fregonese and Victor De Santis and starring Peter van Eyck, O.E. Hasse and Yvonne Furneaux. It was a co-production between France, Italy and West Germany. The film was the last in a series of films which had revived the Weimar era character Doctor Mabuse. The film's sets were designed by the art directors Ernst H. Albrecht and Wilhelm Vorwerg.