The Virtuous Bigamist (French: Sous le ciel de Provence, Italian: Era di venerdì 17) is a 1956 French-Italian comedy drama film directed by Mario Soldati.

It is a remake of the Italian film Four Steps in the Clouds, and like the original is co-written by Alessandro Blasetti.

The other co-writers are Giuseppe Amato, Aldo De Benedetti, Piero Tellini and Cesare Zavattini.

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