Jerry Calà as Giacomino

Elvire Audray as Françoise

Francesco Salvi as amico del "Telefono amico"

Franz Di Cioccio as padrone di casa

Lando Buzzanca as Giuseppe

Elsa Vazzoler as Mamma di Giacomino

Alessandra Panelli as Ines

Stefano Altieri as padre di Giacomino

Sergio Di Pinto as Arturo, il romano

Anna Cardini as Aida

Renato Scarpa as professore

Saverio Fischetti as Fernandino

Danila Trebbi as Pina