Karl Hartl Director Hans Albers Werner Holk Actor Friedrich Kayßler Prof. Achenbach Actor Brigitte Helm Florence Wills Actor Michael Bohnen John Wills Actor Ernst Karchow Willi Luders Actor Lien Deyers Margit Moller Actor Eberhard Leithoff Harris Actor Rudolf Platte Schwarz Actor Rolf E. Vanloo Screenwriter Alfred Zeisler Producer Otto Baecker Cinematographer Werner Bohne Cinematographer Günther Rittau Cinematographer Wolfgang Becker Film Editing