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