Mota is a Martian representative, who has come to impose interplanetary law on the Earth (which has become too dangerous); opposing his authority is Kent Fowler, who resists the alien plot, without understanding its details.
as Kent Fowler
as Helen Hall
as Mota
as Dr. Bryant
as Steve
as Drake
as Ryan
as Trent
as Watchman
as Taylor
as Gate Guard
as Grady
as Curtis
as Crane
as Kirk
