A fungus dubbed "Blood Rust" from outer space threatens to destroy the Earth.
as John Hand
as Laura Greeling
as Pvt. Joe Rattigan
as Dr. Charles T. Pommer
as Stewardess Archer
as Jean Meyers
as Elaine Frohman
as Prof. West
as Collins
as Mr. Morse
as Jim Dale
as Pilot Viccarino
as Hendry
as Retlinger
as Television News Announcer
