Scientists try to prevent a collision between Earth and a planet that is heading for it.
Giacomo Rossi Stuart
Cmdr. Rod Jackson
Ombretta Colli
Lt. Teri Sanchez
Enzo Fiermonte
General Norton
Halina Zalewska
Janet Norton
Goffredo Unger
Perkinson
Pietro Martellanza
Dubrowski
John Bartha
Dr. Smith
Marco Bogliani
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