Kai
Mac Allan
Herr Kubalski
Fräulein Lydia
Kais Mutter
Kais Bruder
Kriminalinspektor Fliegepfiff
Kriminalassistent Schleicher
Polizeipräsident
Herr Balluschka
Regisseur
Kameramann
Kai, a young boy, living in 1923 Berlin tries to convince an American businessman that he can market his chewing gum better than anyone else in town.