Extraterrestrials traveling in high-tech flying saucers contact a scientist as part of a plan to enslave the inhabitants of Earth.
Fred F. Sears
Hugh Marlowe
Joan Taylor
Donald Curtis
Morris Ankrum
Thomas Browne Henry
Grandon Rhodes
John Zaremba
Paul Frees
Frank Wilcox
Sydney Mason
Larry J. Blake
Bert Stevens
Forbes Murray
Arthur Tovey
Alan Wells
Clover Productions
Columbia Pictures
