Carlo Mastelli, the young radio presenter of "New Voices" has run short of ideas and his program is likely to be suspended from the radio schedule if he does not find any new ones.
| Actor | Role |
|---|---|
 Philippe LemaireCarlo Mastelli | Carlo Mastelli |
 Catherine ErardMarina | Marina |
 Clément DuhourLe docteur de Blaize | Le docteur de Blaize |
 Christian DuvaleixL'huissier Pellegrino | L'huissier Pellegrino |
 Arturo BragagliaSalvatore | Salvatore |
| EEnzo BiliottiL'inspecteur général | L'inspecteur général |
| NNatale CirinoLe maire | Le maire |
| FFara LibassiLa grand-mère de Tonino | La grand-mère de Tonino |
| AAnna ManciniLa fiancée de Teddy Reno | La fiancée de Teddy Reno |
 Jacques VerlierMario | Mario |
 Louis Armstronghimself | himself |
| SSidney Bechethimself | himself |
| GGuglielmo IngleseNot listed | Not listed |
 Giuseppe PorelliNot listed | Not listed |
| GGiancarlo NicotraNot listed | Not listed |
 Nico PepeUn fan | Un fan |
 Jean-Pierre Cassel(uncredited) | (uncredited) |