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Your biggest fan becomes your worst nightmare — and she's already moved in.
TMDB
57
IMDb
57
Rotten Tomatoes
50
Audience Score
35
Google
51
Watch

Based on a True Story (2017)

psychosexual slow-burnParisian eleganceidentity horror

Overview

ThrillerMystery

Delphine is the author of an autobiographical novel that has become a bestseller. Exhausted by the promotional tour, just when she feels out of place, paralyzed by the idea of having to start writing again, she meets Elle, a young, attractive, intelligent, intuitive woman who seems to understand her better than anyone.

Flag of FRFRFrench
Content warning
based on novel or bookparis, francefemale friendshipnovelistghost writercreative crisisbook signing

Standout Aspects

Acting

Eva Green's Elle — terrifyingly charming, utterly unhinged, you can't look away.

Direction

Polanski's claustrophobic apartment staging turns domestic space into psychological trap.

Cinematography

Glossy Parisian surfaces hiding rot underneath — every frame is suspicious.

Best for:Solo: Late night, wine in hand, when you can really sit with the unease.·Streaming: Perfect for that 'Polanski in the 2010s' curiosity you didn't know you had.
Heads up:Sexual Content: Brief but charged scenes; the real violation is psychological.·Triggers: Gaslighting, identity erasure, and invasive stalking behavior throughout.
Roman Polanski

Director

Roman Polanski

ReleasedNov 1, 2017
Runtime1h 37m
StatusReleased

Vibe

Paceslow
Intensitymedium
Tonedark
Feelheavy
Budget$11.3M
France 2 Cinéma
Belga Productions

Top Cast

Emmanuelle Seigner

Emmanuelle Seigner

Delphine

Eva Green

Eva Green

Elle

Vincent Perez

Vincent Perez

François

Dominique Pinon

Dominique Pinon

Raymond

Brigitte Roüan

Brigitte Roüan

The Documentalist

Camille Chamoux

Camille Chamoux

The Press Agent

Josée Dayan

Josée Dayan

Karina

Noémie Lvovsky

Noémie Lvovsky

The Exhibition Curator

Édith Le Merdy

Édith Le Merdy

The Neighbor

Damien Bonnard

Damien Bonnard

The Sound Engineer

Saadia Bentaïeb

Saadia Bentaïeb

Jeanne

Ask about Based on a True Story

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Deep Dive

Trivia, insights & behind the scenes

Insight

Polanski adapted his own novel 'Le Ténèbreux' — the film becomes uncomfortably meta about authors losing control of their narratives.

Cultural

Released as Polanski faced renewed scrutiny over his 1977 case; the film's themes of public figures, privacy, and punishment became accidentally radioactive.

YouTube

Trailer (English Subs)

Trailer (English Subs)

Gallery(13 images)

Reviews

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