•
Karel Lamač as Professor Karel Suchý •
Anny Ondra as Vera Matysová •
Oscar Marion as Rudolf Junek •
Theodor Pištěk as the school director •
Svetla Svozilová as Dr. Plásilová •
Antonie Nedošinská as Vera's aunt •
Valentin Sindler as Jecmínek, the janitor •
Čeněk Šlégl as Karel Domin •
Jaroslav Marvan as Suchého spoluzák •
Karel Postranecký as Friend •
Ladislav Hemmer as Friend ==References==