Le Gendarme de Saint Tropez

The Troops of St. Tropez French Le gendarme de SaintTropez literally The Policeman from SaintTropez is a 1964 French comedy film with Louis de Funs. The film mostly takes place in SaintTropez, a fashionable resort on the French Riviera. Louis de Funs plays Ludovic Cruchot, the sergeant of gendarmerie of SaintTropez. It is the first film in The gendarme series, and has spawned five sequels.

Finally, Cruchots daughter and her friends knock out the group that kidnapped her father, and the painting is returned to its rightful owner.

Source: Wikipedia