Ηθοποιοί επεισοδίου
Luigi VannucchiDr. John Fleming
Tino CarraroProfessor Ernest Reinhart
Paola PitagoraJudy Adamson
Ida MedaDr. Liz Ray
Arturo DominiciSottosegretario Osborne
Gabriella GiacobbeDr. Madeleine Danway
Enzo TarascioColonello Geers
Giampiero AlbertiniGenerale Vandenberg
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Sandro TuminelliBarnett
Franco VolpiGenerale Watling
Nicoletta RizziAndromeda