Director/a
Kurt Neumann
DIRECTOR/A
Escritor/a
Orville H. Hampton
ESCRITOR/A
Reparto (por orden de créditos)
Lloyd Bridges
Col. Floyd Graham
Osa Massen
Dr. Lisa Van Horn
John Emery
Dr. Karl Eckstrom
Noah Beery Jr.
Maj. 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
Barry Norton
Cosmo Sardo
Bert Stevens
