Elenco - O Choque dos Planetas
Tony Russel
Cmdr. Mike Halstead
Lisa Gastoni
Lt. Connie Gomez
Franco Nero
Lt. Jake Jacowitx
Carlo Giustini
Capt. Jaques Dubois
Enzo Fiermonte
Ken
Linda Sini
Lt. Fina Marlie
Nando Angelini
Capt. Tice
Corinne Fontaine
Gamma 1 Hostess
Umberto Raho
Gen. Paul Maitland
Goffredo Unger
Duvall
Michel Lemoine
Capt. Jacques Dubois