In the early hours of the night, young David Maclean sees a flying saucer land and disappear into the sand dunes just beyond his house. Slowly, all of the adults, including his once loving parents, begin to act strangely.
Jimmy Hunt
as David Maclean
Arthur Franz
as Dr. Stuart Kelston
Helena Carter
as Dr. Pat Blake, MD
Leif Erickson
as Mr. George MacLean
Hillary Brooke
as Mrs. Mary MacLean
Morris Ankrum
as Col. Fielding
Walter Sande
as Police Sgt. Mack Finlay
Bert Freed
as Police Chief A.C. Barrows
Max Wagner
as Army Sgt. Rinaldi
Charles Gibb
as Lt. Blair
Milburn Stone
as Army Capt. Roth
Douglas Kennedy
as Officer Jackson
