England, first half of the 19th century. Edmund Kean is a celebrated theatre actor, notorious for his tumultuous private life. He is in love with the beautiful countess Koefeld, wife of the Danish ambassador, to the consternation of his friend, the Prince of Wales. He is also hounded by Anna Damby, who wants to become an actress to escape a marriage to Lord Mewill.
Unfortunately the movie Kean: Genius or Scoundrel is not yet available on HBO Max.
| Directing | Vittorio Gassman | Director |
| Camera | Gianni Di Venanzo | Director of Photography |
| Production | Franco Cristaldi | Producer |
| Editing | Enzo Alfonsi | Editor |
| Writing | Suso Cecchi d'Amico | Screenplay |
| Writing | Francesco Rosi | Screenplay |
| Writing | Vittorio Gassman | Screenplay |
| Directing | Mario Maffei | First Assistant Director |
| Directing | Mario Ponchia | Script Supervisor |
| Sound | Giulio Tagliacozzo | Sound |
| Directing | Francesco Rosi | Co-Director |
| Art | Gianni Polidori | Production Design |
| Directing | Giulio Questi | First Assistant Director |
| Costume & Make-Up | Marilù Carteny | Costume Design |
| Costume & Make-Up | Libero Politi | Makeup Artist |
| Sound | Roman Vlad | Original Music Composer |
| Sound | Roman Vlad | Conductor |
| Production | Pietro Notarianni | Production Manager |
| Costume & Make-Up | Giulio Coltellacci | Costume Design |
| Camera | Erico Menczer | Camera Operator |
| Art | Giorgio Hermann | Set Decoration |
| Production | Guglielmo Colonna | Production Supervisor |
| Production | Renato Jaboni | Production Secretary |
| Costume & Make-Up | Gabriella Borzelli | Hairstylist |
| Writing | Alexandre Dumas | Theatre Play |
| Production | Lucio Orlandini | Production Secretary |