After a powerful billionaire is murdered, his secret adoptive son must race to prove his legitimacy, find his father's killers and stop them from taking over his financial empire.
Unfortunately the movie The Heir Apparent: Largo Winch is not yet available on HBO Max.
| Art | Michel Barthélémy | Production Design |
| Production | Nathalie Gastaldo | Producer |
| Sound | Jean-Paul Hurier | Sound mixer |
| Sound | Alexandre Desplat | Original Music Composer |
| Production | Eric Zaouali | Executive Producer |
| Costume & Make-Up | Nguyen Thi | Makeup Artist |
| Costume & Make-Up | Patrick Girault | Hairstylist |
| Writing | Jean Van Hamme | Author |
| Writing | Jérôme Salle | Screenplay |
| Directing | Jérôme Salle | Director |
| Costume & Make-Up | Khadija Zeggaï | Costume Design |
| Crew | Virginie Le Pionnier | Script |
| Writing | Philippe Francq | Author |
| Writing | Julien Rappeneau | Screenplay |
| Camera | Denis Rouden | Director of Photography |
| Production | Philippe Godeau | Associate Producer |
| Production | Lucie Robitaille | Casting |
| Production | Edward Said | Casting |
| Production | Annette Borgmann | Casting |
| Sound | Philippe Penot | Foley Artist |
| Sound | Nikolas Javelle | Sound Editor |
| Sound | Fred Messa | Sound Engineer |
| Sound | Guadalupe Cassius | Sound Editor |
| Sound | Rémi Daru | Sound Engineer |
| Sound | Jacques Defrance | Foley Artist |
| Production | Madalena Chan | Casting |
| Production | Toby Whale | Casting |
| Sound | Thierry Lebon | Foley Recording Engineer |
| Production | Gigi Akoka | Casting |
| Sound | Philippe Amouroux | Foley Recording Engineer |
| Production | Agnès Obadia | Casting |
| Sound | François Maurel | Sound Engineer |
| Production | Mustapha Souaidi | Casting |
| Crew | Stéphane Boulay | Stunt Coordinator |
| Sound | Pascal Villard | Sound |
| Production | Joanna Colbert | Casting |
| Sound | Gael Nicolas | Sound Recordist |
| Visual Effects | Rodolphe Chabrier | VFX Supervisor |
| Sound | Caroline Reynaud | Foley Editor |
| Visual Effects | Benoît Philippon | VFX Supervisor |
| Directing | Roberto De Angelis | Second Unit Director |
| Costume & Make-Up | Nicolas Herlin | Special Effects Makeup Artist |
| Costume & Make-Up | Guy Bonnel | Special Effects Makeup Artist |
| Costume & Make-Up | Guillaume Castagné | Special Effects Makeup Artist |
| Costume & Make-Up | Fannie Chan | Makeup Artist |
| Costume & Make-Up | Olivier Afonso | Special Effects Makeup Artist |
| Costume & Make-Up | Sandrine Gonzales | Hairstylist |
| Costume & Make-Up | Celine Durand | Hairstylist |
| Costume & Make-Up | Katie Jones | Special Effects Makeup Artist |
| Costume & Make-Up | Pierre-Paul Jayne | Special Effects Makeup Artist |
| Costume & Make-Up | Thi-Loan Nguyen | Makeup Artist |
| Production | Georges Langlois | Executive Producer |
| Sound | Philippe Amouroux | Sound Re-Recording Mixer |
| Costume & Make-Up | Frédéric Lainé | Special Effects Makeup Artist |
| Costume & Make-Up | Charlotte Lequeux | Makeup Artist |
| Art | Patrick Dechesne | Set Decoration |
| Sound | Charles Autrand | Dialogue Editor |
| Costume & Make-Up | Dorothée Soual | Wigmaker |
| Sound | Jean-Paul Hurier | Sound Re-Recording Mixer |
| Sound | François Maurel | Sound Mixer |
| Sound | Sandy Notarianni | Sound Editor |
| Art | Gwenaëlle Cormec | Set Decoration |
| Sound | Katia Boutin | ADR Editor |
| Crew | Alain Figlarz | Stunt Coordinator |
| Art | Yann Megard | Art Direction |
| Art | Cécile Deleu | Set Decoration |
| Editing | Richard Marizy | Editor |
