Cast & crew
Based on a True Story (2017)
Directed by Roman Polanski Written by Olivier Assayas, Roman Polanski
Cast
| Emmanuelle Seigner | Delphine Downing |
| Brigitte Roüan | The Woman |
| Camille Chamoux | Press |
| Josée Dayan | Karina |
| Eva Green | Elle-même |
| Vincent Perez | François Toulour |
| Dominique Pinon | Raymond |
| Véronique Vasseur | Bubba's Mother |
| Noémie Lvovsky | Curator |
| Leonello Brandolini | Editor |
| Édith Le Merdy | Neighbor |
| Elisabeth Quin | Female Journalist |
| Damien Bonnard | Engineer |
| Saadia Bentaïeb | Jeanne |
| Stanislas Moreau | Beatnik Barman |
| Anouchka Csernakova | Fair |
| Charlotte Mangel | Fair |
| Jean Frischmann | Fair |
| Mélanie Bourgeois | Fair |
| Valérie de Monza | Fair |
Crew
| Alexandre Desplat | Original Music Composer |
| Olivier Assayas | Screenplay |
| Delphine de Vigan | Novel |
| Zbigniew Gustowski | Focus Puller |
| Roman Polanski | Screenplay |
| Wassim Béji | Producer |
| Roman Polanski | Director |
| Jean Rabasse | Production Design |
| Paweł Edelman | Director of Photography |
| Lucien Balibar | Sound Director |
| Karen Muller Serreau | Costume Design |
| Hortense Bailly | Sound Editor |
| Dominique Moisan | Art Direction |
| Niels Barletta | Sound Re-Recording Mixer |
| Mariusz Łukomski | Associate Producer |
| Gwennolé Le Borgne | Sound Editor |
| Sandrine Jarron | Art Direction |
| Morna Ferguson | Makeup Artist |
| Fabrice Delville | Co-Producer |
| Margot Meynier | Editor |
| Christophe Toulemonde | Co-Producer |
| Wojciech Pałys | Associate Producer |
| Gladys Brookfield-Hampson | Co-Producer |