Joachim Gottschalk
Role(s): Engelbrecht, Chemiker
Ernst von Klipstein
Role(s): Dr. Paul Gildemeister, Chemiker
Hertha Feiler
Role(s): Barbara Wrede
Paul Hoffmann
Role(s): Dr. Wrede, Barbaras Bruder
Siegfried Schürenberg
Role(s): Dr. Marlow, Werkslaborant
