 | Jonathan Rhys Meyers als Morton Vint |
 | Vanessa Redgrave als Juliana Bordereau |
 | Joely Richardson als Miss Tina |
 | Lois Robbins als Mrs Prest |
 | Poppy Delevingne als Signora Colonna |
 | Morgane Polanski als Valentina |
 | Jon Kortajarena als Jeffrey Aspern |
 | Barbara Meier als Emily |
 | Alessandro Bressanello als Taylor |
 | Nicolas Hau als The Romantic Poet |
 | Alice Aufray als Young Juliana |
| Jean Pavans | Adaptation |
| Jean Pavans | Writer |
| Hansjörg Weißbrich | Editor |
| Celestia Fox | Casting |
| Julien Landais | Director |
| Hannah Bhuiya | Writer |
| Vincent Carlo | Original Music Composer |
| Philippe Guilbert | Cinematography |
| Hannah Bhuiya | Adaptation |
| Julien Landais | Adaptation |
| Livia Borgognoni | Production Design |
| Bruno Wang | Co-Executive Producer |
| Axel Steichen | Sound Editor |
| Laura Cappato | Production Manager |
| Birgit Hutter | Costume Design |
| Julien Landais | Writer |
| Mattia Biadene | Sound Recordist |
| Charles S. Cohen | Executive Producer |
| Alberico D'Alessandro | Makeup Artist |
| Alberto Mangiapane | Second Assistant Director |
| Alessandro Romano | Boom Operator |
| James Ivory | Executive Producer |
| Matthew Helderman | Executive Producer |
| Henry James | Novel |
| Guido Cerasuolo | Line Producer |
| Charles-Henri de Lobkowicz | Executive Producer |
| Adrian Politowski | Executive Producer |
| Joely Richardson | Executive Producer |
| Francesca Tampieri | Makeup Designer |
| Dario Cioni | First Assistant Director |
| Federico Calò Carducci | Art Direction |
| Luke Taylor | Executive Producer |
| Fabrizio Weiss | Unit Manager |
| Jean Paul Brunier | Associate Producer |
| Cloé Garbay | Executive In Charge Of Production |
| Klemens Hallmann | Executive Producer |
| Francesca Piani | Key Makeup Artist |
| Michelangelo Barbieri | Set Dresser |
| Gabriela Bacher | Producer |
| Francesca Tampieri | Hair Designer |
| Marc Hansell | Executive Producer |
| Bastien Sirodot | Executive Producer |
| Abraham Goldblat | Post Production Supervisor |
| Patrick DePeters | Executive Producer |
| Gary Rubin | Executive Producer |
| Francois Sarkozy | Executive Producer |
| Gilles Waterkeyn | Executive Producer |
| Camilla Carniello | Third Assistant Director |
| Eric Grattepain | Foley |
| Christian Angermayer | Executive Producer |
| Jonathan Rhys Meyers | Executive Producer |
| Gary Rubin | Associate Producer |
| Valeria Correale | Production Coordinator |
