Heinz Rühmann
Axel Roth
Happiness is the Main Thing is a 1941 German comedy film directed by Theo Lingen and starring Heinz Rühmann, Hertha Feiler and Ida Wüst. It was shot at the Bavaria Studios in Munich and the Hostivar Studios in Prague. The film's sets were designed by the art directors Rudolf Pfenninger and Ludwig Reiber. It premiered at the Gloria-Palast in Berlin. Wikipedia