- Country: Italy
- Genres: Biography, Comedy
- Release: 2007-11-30
- Director: Fabrizio Bentivoglio
- Writers: Fabrizio Bentivoglio , Umberto Contarello , Filippo Gravino , Guido Iuculano
- Language: Italian
- Stars: Antimo Merolillo , Lina Sastri , Pierluigi Tortora , Fortunato Cerlino , Toni Servillo , Ortensia De Francesco , Peppe D’Argenzio , Toni Laudadio , Beppe Nubifero , Ugo Pancaldi
- Runtime: 104 min
- Awards: 4 wins & 8 nominations
- AKA: Don't Waste Your Time, Johnny! , Lascia perdere, Johnny! , Don't Waste Your Time, Johnny! (United Kingdom) , Lascia perdere, Johnny! (Italy) , Låt det vara, Johnny! (Sweden) , Don't Waste Your Time, Johnny! (United States of America)
- Plot: A talented guitarist tries to make a living out of his music, ending up to collaborate with an unreliable manager and a famous pianist.
- IMDB:tt0827717
Don’t Waste Your Time, Johnny! Cast · · · ALL
Fabrizio Bentivoglio
Director
Fabrizio Bentivoglio
Augusto Riverberi
Toni Servillo
Maestro Domenico Falasco
Lina Sastri
Vincenza Ciaramella
Valeria Golino
Annamaria
Peppe Servillo
Gerry Como