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Promise to the Unknown One

Where to Watch Promise to the Unknown One

Looking to feast your eyes on 'Promise to the Unknown One' in the comfort of your own home? Discovering a streaming service to buy, rent, download, or view the André Berthomieu-directed movie via subscription can be difficult, 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 finer points 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 collated reviews from respected users.

You probably already know what the movie's about, but just in case... 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." .