FBI Agent Joe Como

Lex Barker

Acting

Liane Martin

Karin Dor

Acting

Martin Droste, aka Bobo the Clown

Werner Peters

Acting

Police Commissioner Brahm

Siegfried Lowitz

Acting

Detective Haase

Walo Lüönd

Acting

Dr. Krone / Dr. Mabuse

Wolfgang Preiss

Acting

Dr. Bardorf

Kurd Pieritz

Acting

Professor Erasmus

Rudolf Fernau

Acting

Henchman Max

Hans Schwarz Jr.

Acting

Theater Watchman

Walter Bluhm

Acting

Agent Nick Prado

Alain Dijon

Acting

Optiker

Heinrich Gies

Acting

Empfangschef

Carl de Vogt

Acting

Mann im Leichenschauhaus

Zeev Berlinsky

Acting

FBI Agent Joe Como (German voice)

Gert Günther Hoffmann

Acting

Kriminalbeamter Hase (voice)

Georg Thomalla

Acting

Clown Bobo (voice)

Harry Wüstenhagen

Acting