Elvire Audray as Joan Barnard

Paolo Malco as Mike Grant

Claudio Cassinelli as Paolo Domelli

Marilù Tolo as Contessa Maria Volumna

Wandisa Guida as Heather Hull

Gianfranco Barra as The Police Commissioner

John Saxon as Arthur Barnard

Van Johnson as Mulligan - Joan's father

Maurizio Mattioli as Masaccio

Carlo Monni as Senaldi

Mario Cecchi as

Anita Laurenzi as Professor Sorensen

Angela Doria as Hilda

Lucia Monaco as Julie

Franco Garofalo as

Jacques Stany as Nick Forte

Luigi Rossi as

Fulvio Mingozzi as The Customs Officer

Nazzareno Cardinali as

Antonio Maimone as

Mario Novelli as

Bruno Rosa as