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Jack Martin (Danny Kaye), an American entertainer working cabarets on the French Riviera, does an impersonation of philandering industrialist Henri Duran (Kaye, again) so convincingly that even Duran's beautiful wife (Gene Tierney) is fooled by it. When Duran's business interests compel him to be in London when he should be hosting a large soiree at his home, Martin is persuaded to impersonate Duran at the party. But matters threaten to get out of hand when Martin (as Duran) is confronted by several of the philanderer's women, and by Duran's ruthless business rival, M. Periton (Jean Murat).

How to Watch On the Riviera Legally and Safely

If you want to stream On the Riviera through reputable and legal services, there are a few good options depending on where you are. Subscription platforms like HBO Max, Disney+, Netflix, Amazon Prime Video, and Apple TV+ sometimes carry On the Riviera films or related DC titles—though availability depends on your country.

If you’d rather not commit to a subscription, there are ad‑supported, free (but legal) platforms such as Tubi, Pluto TV, Peacock or Crackle (where available in your region) that occasionally host superhero films.

Lastly, don’t forget about library‑linked streaming options like Kanopy or Hoopla (if your library or university is registered), and official uploads by film distributors on YouTube—these can also give you legal access to classic movies.