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Ellen Schwiers
as Helen Roy
Hans von Borsody
as Walter Vogel
Christiane Nielsen
as Rita Weber
Charles Regnier
as Charley Nelson
Ilse Steppat
as Dr. Louise Richards
Heinrich Gretler
as Hauptkommissar
Harry Fuß
as
Herbert Stass
as Janke
Hannes Schmidhauser
Erwin Strahl
Herbert Fux
as Rocco
Ena Valduga
Josef Menschik
Ivan Desny
as Prof. Lomm
Raphael Nussbaum
Director
Assistant Director
Leo Höger
Production Supervisor
