Alberto Sordi as Alberto Lucetti

Anna Maria Ferrero as Fiorella

Barbara Laage as Germaine, la Parigina

Erwin Strahl as Riccardo / Richard Koster

Paul Hörbiger as Professor Roth

Marcello Giorda as Sandi, padre di Fiorella

Mino Doro as Maestro Manardi

Rio Nobile as Orti di Tiberio

John Stacy as maestro

Marisa Castellani as

Ileana Lauro as

Gina Mascetti as