Robert Mayer, der Arzt aus Heilbronn

Gustav Püttjer as sailor Ludwig Trautmann as Professor Fred Düren as officer Hilmar Thate as Dr. Bohn Horst Giese as lecturer Fred Mahr as Mayor Willi Schwabe as Guard Gisela Uhlen as Wilhelmine Mayer Kurt Mühlhardt as King Wilhelm of Württemberg Karl Kendzia as worker Hausmann Emil Stöhr as Robert Mayer Harald Halgardt as Dr. Landerer Herwart Grosse as Court Councilor Ernst von Zeller Carola Braunbock as Patient Charles Hans Vogt as clerk in the mental asylum Martin Flörchinger as Fritz Mayer Walther Suessenguth as Privy Councilor Justus Liebig