Strange things happen in a revue theatre. The dancer Maria seems to be hunted by an invisible admirer. When the body of a probable FBI agent is found in a trunk the police asks FBI man Joe Como for help. Como gets interested in the revue theatre and an ominous transport firm soon. When he is receiving mysterious threatening letters he is sure that Dr. Mabuse has risen again. But what is going on at "Enterprise X" so that both the goverment and the mad genius in crime are interested in it?
Lex BarkerFBI Agent Joe Como
Karin DorLiane Martin
Werner PetersMartin Droste, aka Bobo the Clown
Siegfried LowitzPolice Commissioner Brahm
Walo LüöndDetective Haase
Wolfgang PreissDr. Krone / Dr. Mabuse
Kurd PieritzDr. Bardorf
Rudolf FernauProfessor ErasmusHans Schwarz Jr.Henchman Max
Walter BluhmTheater WatchmanAlain DijonAgent Nick PradoHeinrich GiesOptiker
Carl de VogtEmpfangschef
Zeev BerlinskyMann im Leichenschauhaus
Gert Günther HoffmannFBI Agent Joe Como (German voice)
