Kurt Neumann
Director
Lou Asher
Property Master
Clarence Steensen
Set Decoration
Don L. Cash
Makeup Artist
Mike Matney
Production Manager
Don Stewart
Special Effects
Betty Sinclair
Production Manager
Murray Lerner
Executive Producer
Ferde Grofé Sr.
Original Music Composer
Frank Heath
Second Unit Cinematographer
Tom Lambert
Sound Engineer
Orville H. Hampton
Dialogue
Karl Struss
Director of Photography
Theobold Holsopple
Production Design
Harry Gerstad
Editor
Kurt Neumann
Writer
Kurt Neumann
Producer
Frank Heath
Assistant Director
Lloyd Bridges
Colonel Floyd Graham
Osa Massen
Dr. Lisa Van Horn
John Emery
Dr. Karl Eckstrom
Noah Beery Jr.
Major William Corrigan
Hugh O'Brian
Harry Chamberlain
Morris Ankrum
Dr. Ralph Fleming
Patrick Aherne
Reporter #1
Sherry Moreland
Martian girl
John Dutra
Physician
Kathy Marlowe
Reporter
Tom Coleman
Reporter (uncredited)
James Conaty
Doctor Taking Lisa's Blood Pressure (uncredited)
Sam Harris
Reporter at Press Briefing (uncredited)
Judd Holdren
Reporter #3 (uncredited)
Stuart Holmes
Reporter (uncredited)
Barry Norton
Reporter (uncredited)
Cosmo Sardo
Reporter (uncredited)
Bert Stevens
Reporter (uncredited)
