Al Cliver

Michael Teague

Carole André

Nicky Stone

Claudine Auger

Maggie Vanderberg

William Berger

Mackenzie

Francesco Casaretti

Frank Derosa

Nick

Tony Di Mitri

Dr. Alfred Houseman

Mariangela Giordano

Sandro's lover

Edmund Purdom

Professor Vanderberg

Gabriele Tinti

Sandro Vincenzoni

Fausto Tozzi

Mark Lemmon