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Promise to the Unknown One

Where to Watch Promise to the Unknown One

Need to watch 'Promise to the Unknown One' on your TV or mobile device at home? Hunting down a streaming service to buy, rent, download, or view the André Berthomieu-directed movie via subscription can be challenging, so we here at Moviefone want to do the heavy lifting.

We've listed a number of streaming and cable services - including rental, purchase, and subscription choices - along with the availability of 'Promise to the Unknown One' on each platform when they are available. Now, before we get into all the details of how you can watch 'Promise to the Unknown One' right now, here are some specifics about the comedy flick.

Released , 'Promise to the Unknown One' stars Charles Vanel, Claude Dauphin, Madeleine Robinson, Henri Guisol The movie has a runtime of about 1 hr 30 min, and received a user score of (out of 100) on TMDb, which compiled reviews from respected users.

Curious to know what the movie's about? Here's the plot: "A young woman is in love with a young writer, winner of the Prix Goncourt. Married to a banker, she must face her husband's anger and the blackmail of a former suitor." .