
Plot
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.
Trailer
Cast

Jimmy Hunt
David Maclean

Arthur Franz
Dr. Stuart Kelston

Helena Carter
Dr. Pat Blake, MD

Leif Erickson
Mr. George MacLean

Hillary Brooke
Mrs. Mary MacLean

Morris Ankrum
Col. Fielding

Walter Sande
Police Sgt. Mack Finlay

Bert Freed
Police Chief A.C. Barrows

Max Wagner
Army Sgt. Rinaldi

Charles Gibb
Lt. Blair

Milburn Stone
Army Capt. Roth

Douglas Kennedy
Officer Jackson

Charles Cane
Officer Blaine

Fay Baker
Mrs. Wilson

Janine Perreau
Kathy Wilson

John Eldredge
Mr. Turner

Barbara Billingsley
Kelston's Secretary

Richard Deacon
MP

Gil Herman
Major Clary

Luce Potter
The Martian Intelligence

Lock Martin
Mutant Carrying David to 'Intelligence'

Max Palmer
Second Mutant Guarding the "Intelligence"

Todd Karns
Jim the Gas Station Attendant

Frank Wilcox
Pentagon Chief of Staff

Robert Shayne
Dr. William Wilson

William Phipps
Sgt. Baker

William Forrest
Col. Mayberry

Peter Brocco
Brainard (bit)