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 |
| Writing | Suso Cecchi d'Amico | Screenplay |
| Writing | Vittorio Gassman | Screenplay |
| Writing | Francesco Rosi | Screenplay |
| Production | Franco Cristaldi | Producer |
| Camera | Gianni Di Venanzo | Director of Photography |
| Editing | Enzo Alfonsi | Editor |
| Art | Gianni Polidori | Production Design |
| Costume & Make-Up | Giulio Coltellacci | Costume Design |
| Sound | Roman Vlad | Original Music Composer |
| Sound | Roman Vlad | Conductor |
| Production | Pietro Notarianni | Production Manager |
| Directing | Giulio Questi | First Assistant Director |
| Directing | Mario Maffei | First Assistant Director |
| Camera | Erico Menczer | Camera Operator |
| Directing | Mario Ponchia | Script Supervisor |
| Sound | Giulio Tagliacozzo | Sound |
| Art | Giorgio Hermann | Set Decoration |
| Costume & Make-Up | Marilù Carteny | Costume Design |
| Production | Guglielmo Colonna | Production Supervisor |
| Production | Lucio Orlandini | Production Secretary |
| Production | Renato Jaboni | Production Secretary |
| Costume & Make-Up | Libero Politi | Makeup Artist |
| Costume & Make-Up | Gabriella Borzelli | Hairstylist |
| Directing | Francesco Rosi | Co-Director |
| Writing | Alexandre Dumas | Theatre Play |