Onder andere met: Senta Berger (Sara Grimaldi), Luc Merenda (Peter Smith/Edward Warren), Umberto Orsini (Il Dottor Daniele Landi), Bruno Corazzari (George), Rosario Borelli (Brigadiere), Anita Strindberg (Mary Caine), Duilio Cruciani (Luca), Manfred Freyberger (Philip), Tom Felleghy (Doctor Archibald T. Wildgate)