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