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