Top Cast
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Charles Vanel
Bernard Parker
Claude Dauphin
Jean Cartier
Madeleine Robinson
Françoise Parker
Henri Guisol
Duvernier
Marcel André
Chancellin
Alexandre Fabry
Father Honoraz
Charlotte Clasis
Mother Honoraz
Jacques Tarride
Jeweler
Gisèle Alcée
Young girl
Manuel Gary
Sailor of the Phocéa
Lucien Callamand
Bréchard
Robert Dalban
Commissioner Andréani
Pierre Brasseur
Lussac
Nicolas Amato
Station master (uncredited)
Jacques Breteuil
Announcer (uncredited)
Jean Clarens
(uncredited)
Gaston Séverin
Secretary of the Goncourts (uncredit)(
Key Information & Fast Facts
- Director
- André Berthomieu
- Screenplay & Story
- Françoise Giroud, Marc-Gilbert Sauvajon, André Berthomieu
- Original Score
- Georges Derveaux
- Original Title
- Promesse à l'inconnue
- Country of Origin
- France
- Spoken Languages
- French
- Runtime
- 1h 30m
Creative Leadership & Key Crew
André Berthomieu
Françoise Giroud, Marc-Gilbert Sauvajon, André Berthomieu
Georges Derveaux
Georges Benoît
Andrée Danis
Suzanne Goosens, Marcel Segard
Department Leadership Roster
Françoise Giroud
Writer
Georges Benoît
Director of Photography
Robert Giordani
Production Design
Marc-Gilbert Sauvajon
Writer
Suzanne Goosens
Producer
André Berthomieu
Writer
Marcel Segard
Producer
Andrée Danis
Editor
André Berthomieu
Director
Georges Derveaux
Original Music Composer
Production Stills & Gallery
Official cinematic photography and background stills for Promise to the Unknown One.
Featured In Curated Collections
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Frequently Asked Questions About Promise to the Unknown One
Quick factual answers about cast, synopsis, director, box office, and release information.
What is Promise to the Unknown One about?
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.
Who directed Promise to the Unknown One?
Promise to the Unknown One was directed by André Berthomieu.
Who stars in Promise to the Unknown One?
The principal cast of Promise to the Unknown One includes Charles Vanel, Claude Dauphin, Madeleine Robinson, Henri Guisol, Marcel André.
When was Promise to the Unknown One released and how long is it?
Promise to the Unknown One was released in 1942 with a total runtime of 1h 30m.
Who composed the musical score for Promise to the Unknown One?
The original motion picture soundtrack for Promise to the Unknown One was composed by Georges Derveaux.