Hello Smile !

Hello Smile ! or Bonjour sourire, is a French comedy film from 1956, directed by Claude Sautet, written by Jean Marsan, starring Henri Salvador and Louis de Funès. The film is known under the titles "Die tolle Residenz" (West Germany), "Sourire aux lèvres" (Belgium French title).

Plot
The small principality of Monte Marino is in turmoil: the gloom of the heir to the throne, the Princess Aline, is the cause. The Prime Minister would like to see her smile, which would promote his advances to her and allow him to consider the crown. Despite all the subterfuges, Aline is not brightens. It will take four Parisian fantasy, Jimmy Gaillard, Annie Cordy, Henri Salvador and Christian Duvaleix, join forces to back the joy in the heart of the princess.