Obsada
Cecil Kellaway
Dr. A.A. Andrews
Charles Aidman
Dave
Gail Kobe
Kim
Robert Cornthwaite
Sen. Royce
Sam Edwards
Technician (uncredited)
Bert Remsen
Technician (uncredited)
William Traylor
Space Ship Crew
Harry Townes
Jim Benedict
John Agar
Col. Matthews
Edward Platt
Dr. Easton
Jon Lormer
Prof. Logan
Frank Gerstle
Member of Senate Investigating Committee (uncredited)
Whitney Blake
June
Biff McGuire
Technician (uncredited)