Movie guide
Letter from an Unknown Woman (1948): movie guide
Letter from an Unknown Woman (1948) is a Drama, Romance running about 87 minutes. It holds a TMDB score of 7.8/10 from 355 votes. Notable cast includes Joan Fontaine, Louis Jourdan, Mady Christians, Marcel Journet. Cinema Box covers trailers, cast, and details for discovery — not full streaming.
- Released: 1948-04-28
- Runtime: 87 min
- TMDB: 7.8/10
- Genres: Drama, Romance
Last updated: 2026-11-11 · First listed: 1948-04-28

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What is Letter from an Unknown Woman about?
A pianist about to flee from a duel receives a letter from a woman he cannot remember. As she tells the story of her lifelong love for him, he is forced to reinterpret his own past.
Cast highlights
Letter from an Unknown Woman features Joan Fontaine, Louis Jourdan, Mady Christians, Marcel Journet, Art Smith, Carol Yorke. Open the Cinema Box title page for the full cast list and character credits.
Key facts
Release date: 1948-04-28. Runtime: 87 minutes. TMDB score: 7.8/10 (355 votes). Genres: Drama, Romance. Original language: en. Status: Released.
Discover Letter from an Unknown Woman on Cinema Box
Cinema Box is a movie and TV discovery app for Android. Use it to browse Letter from an Unknown Woman, watch official trailers when available, save titles to your list, and plan what to watch — without hosting or streaming full films.
Frequently asked questions
- What genre is Letter from an Unknown Woman?
- Letter from an Unknown Woman is listed as Drama, Romance on TMDB.
- How long is Letter from an Unknown Woman?
- Letter from an Unknown Woman runs about 87 minutes.
- Who stars in Letter from an Unknown Woman?
- Cast highlights include Joan Fontaine, Louis Jourdan, Mady Christians, Marcel Journet, Art Smith, Carol Yorke.
- Does Cinema Box stream Letter from an Unknown Woman?
- No. Cinema Box is discovery-only — trailers, details, ratings, and watchlists. It does not host or stream full movies.
- Where can I track Letter from an Unknown Woman?
- Open the Letter from an Unknown Woman page on cinemabox.app or install the official Cinema Box Android app from Google Play for watchlists and discovery tools.








