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