Cast 18
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)
Crew 18
Ferde Grofé Sr.
Original Music Composer
Theobold Holsopple
Production Design
Harry Gerstad
Editor
Don L. Cash
Makeup Artist
Kurt Neumann
Producer
Kurt Neumann
Director
Kurt Neumann
Writer
Orville H. Hampton
Dialogue
Tom Lambert
Sound Engineer
Betty Sinclair
Production Manager
Karl Struss
Director of Photography
Mike Matney
Production Manager
Clarence Steensen
Set Decoration
Lou Asher
Property Master
Frank Heath
Second Unit Cinematographer
Don Stewart
Special Effects
Frank Heath
Assistant Director
Murray Lerner
Executive Producer