Edwige Fenech as Jennifer Lansbury

George Hilton as Andrea Barto

Paola Quattrini as Marilyn Ricci

Giampiero Albertini as Commissioner Enci

Franco Agostini as Redi - commissioner's assistant

Oreste Lionello as Arthur

Carla Brait as Mizar Harrington

George Rigaud as Professor Isaacs

Annabella Incontrera as Sheila Heindricks

Ben Carra as Ex-Marito Di Jennifer (as Ben Carrá)

Gianni Pulone as Waiter

Carla Mancini as

Ettore Arena as Nightclub customer

Antonio Basile as Man fighting Mizar

Dolores Calò as Woman in club

Evi Farinelli as First victim

Alfonso Giganti as Police agent

Daniela Giordano as Girl in Phone Booth (uncredited)

Enzo Mondino as Man in club

Francesco Narducci as Photographer

Gennarino Pappagalli as Club Customer (uncredited)

Luciano Pigozzi as Fanelli - Club Owner (uncredited)

Maria Tedeschi as Mrs. Moss