Walter Chiari

as Harold Pasquale Esposito

Ennio Girolami

as Dario

Valeria Fabrizi

as Erica

Raimondo Vianello

as Piccoli

Mario Carotenuto

as Il cavalier Bonaccorsi

Marisa Merlini

as Marta

Lauretta Masiero

as Paola Piccoli

Gérard Landry

as Franz Heinrich

Bice Valori

as Gladys

Gloria Milland

as Elena

Alberto Talegalli

as Bagnante paesano

Carlo Delle Piane

as Carlo

Toni Ucci

as Raffaele

Tiberio Murgia

as Carmelo Pappalardo

Luigi Pavese

as Commendator Cazzaniga

Nietta Zocchi

as Signora Porro

Elyane Pade

as Denise

Dori Dorika

as Moglie del bagnante paesano

Enzo Garinei

as Bagnante delle parole crociate

Ignazio Dolce

Mimmo Poli

as Padrone del locale

Tino Bianchi

as Dottor Labianca

Silvio Bagolini

as Subacqueo

Pina Gallini

Françoise de Quental

Marisa Quattrini