Renato Rascel as Baron Osvaldo Lambertenghi

Christopher Lee as Baron Roderico da Frankurten

Sylva Koscina as Carla

Lia Zoppelli as Letizia

Kai Fischer as Kay - la rossa

Franco Scandurra as Prof. Stricker

Carl Wery as Professor Tedesco

Antje Geerk as Susan

Federico Collino as Il commendatore Luigino Visnaghi

Susanne Loret as Lilliana

Angelo Zanolli as Paolo - il primo play boy

Antonio Mambretti as

Ivana Gilli as

Franco Giacobini as Il secondo play boy

Fiorella Ferrero as

Francesco Tensi as

Lamberto Antinori as

Rik Van Nutter as Victor (uncredited)