Onder andere met: John Phillip Law (Diabolik), Marisa Mell (Eva Kant), Michel Piccoli (Inspector Ginko), Adolfo Celi (Ralph Valmont), Claudio Gora (Police Chief), Mario Donen (Sgt. Danek), Renzo Palmer (Minister's Assistant), Caterina Boratto (Lady Clark), Lucia Modugno (Prostitute), Annie Gorassini (Rose), Carlo Croccolo (Lorry Driver), Lidia Biondi (Policewoman), Andrea Bosic (Bank Manager), Federico Boido (Valmont's Henchman), Tiberio Mitri (Valmont's Henchman)