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.
Unfortunately the movie Letter from an Unknown Woman is not yet available on HBO Max.
| Camera | Franz Planer | Director of Photography |
| Production | John Houseman | Producer |
| Sound | Daniele Amfitheatrof | Original Music Composer |
| Writing | Howard Koch | Screenplay |
| Writing | Stefan Zweig | Author |
| Directing | Max Ophüls | Director |
| Production | William Dozier | Executive Producer |
| Costume & Make-Up | Travis Banton | Costume Design |
| Art | Russell A. Gausman | Set Decoration |
| Sound | Glenn E. Anderson | Sound Designer |
| Art | Ruby R. Levitt | Set Decoration |
| Sound | Leslie I. Carey | Sound Designer |
| Art | Alexander Golitzen | Art Direction |
| Editing | Ted J. Kent | Editor |
| Writing | Stefan Zweig | Novel |
| Costume & Make-Up | Virginia Tutwiler | Wardrobe Designer |
| Lighting | Tex Bellah | Best Boy Electrician |
| Art | Wally Kirkpatrick | Props |
| Camera | Roland Smith | Grip |
