Claudia Cardinale as Sandra Dawson

Jean Sorel as Gianni Wald-Luzzati

Michael Craig as Andrew Dawson

Renzo Ricci as Antonio Gilardini

Fred Williams as Pietro Formari

Amalia Troiani as Fosca

Marie Bell as Corinna Gilardini

Vittorio Manfrino as

Renato Moretti as

Giovanni Rovini as

Paola Piscini as

Isacco Politi as

Oscar Brazzi as Party Guest (uncredited)

Glenn Saxson as Party Guest (uncredited)

Ferdinando Scarfiotti as (uncredited)

Bruno Scipioni as (uncredited)