"A boy tries to stop aliens that have taken over his town and are brainwashing its inhabitants."
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
Charles Cane
as Officer Blaine
Fay Baker
as Mrs. Wilson
Janine Perreau
as Kathy Wilson
John Eldredge
as Mr. Turner
Barbara Billingsley
as Kelston's Secretary
Richard Deacon
as MP
Gil Herman
as Major Clary
Luce Potter
as The Martian Intelligence
Lock Martin
as Mutant Carrying David to 'Intelligence'
Max Palmer
as Second Mutant Guarding the "Intelligence"
Todd Karns
as Jim the Gas Station Attendant
Frank Wilcox
as Pentagon Chief of Staff
Robert Shayne
as Dr. William Wilson
William Phipps
as Sgt. Baker
William Forrest
as Col. Mayberry
Peter Brocco
as Brainard (bit)
William Cameron Menzies
Director
Raoul Kraushaar
Original Music Composer
John F. Seitz
Director of Photography
Arthur Roberts
Editor
Gene Hibbs
Makeup Artist
Edward L. Alperson
Producer
Edward L. Alperson Jr.
Associate Producer
Boris Leven
Art Direction
Richard Blake
Screenplay
Jack Cosgrove
Visual Effects
John Tucker Battle
Story
Ruby Felker
Hairstylist
Production Design
Irving Block
Matte Painter
Edward G. Boyle
Set Dresser
Anatole Robbins
Special Effects Makeup Artist
Special Effects
Mary Yerke
Script Supervisor
Leonard Kunody
Second Assistant Director
Earl Crain Sr.
Sound
Ben Chapman
Production Manager
Howard Lydecker
Mechanical & Creature Designer
Assistant Director
Jack Rabin
