Cleto, a poor newspaper boy, dreamed of becoming a cyclist and inventor. His latest invention is delivering newspapers by rockets. When he finds the owner of the newspaper, dismisses him. But Cleto do not give up and shows Don Macario his latest invention: " The telemirófono ", a device that allows you to see the person talking on the phone...
| Actor | Role |
|---|---|
 Germán ValdésCleto García | Cleto García |
 Sonia FurióCarmen | Carmen |
 Marcelo ChávezDon Macario | Don Macario |
| EEduardo AlcarazDon Cosme Morales | Don Cosme Morales |
 Kitty de HoyosMartha | Martha |
 Nono ArsuLagrimita | Lagrimita |
 Manuel ValdésTranquilino | Tranquilino |
| PPaz VillegasTía de Carmen | Tía de Carmen |
| NNéstor de BarbosaPierre Petit | Pierre Petit |
 Julián de Meriche(uncredited) | (uncredited) |
| JJosé Luis Caro(uncredited) | (uncredited) |
| DDaniel ArroyoSubscriptor del periódico (uncredited) | Subscriptor del periódico (uncredited) |
 Norma LazarenoOperadora de telefono (uncredited) | Operadora de telefono (uncredited) |
 Paco MalgestoLocutor (uncredited) | Locutor (uncredited) |
| CConcepción MartínezTranseúnte en jardin botanico (uncredited) | Transeúnte en jardin botanico (uncredited) |
| MMiguel SuárezJuez en carrera de bicicletas (uncredited) | Juez en carrera de bicicletas (uncredited) |
 Mario ZebadúaPueque | Pueque |