Trailer
Cast
Harold J. Stone
Gen. Swayne
Ralph Votrian
1st Gate Sergeant
Philip Abbott
Dr. Tom Merrinoe
Diane Brewster
Mary Merrinoe
Robert H. Harris
Prof. Frank Allerton
Alexander Lockwood
Arthur Kelvaney
Rayford Barnes
Capt. McLaren (uncredited)
Alvy Moore
Scientist (uncredited)
Gary Vinson
Young soldier (uncredited)
Richard Eyer
Timmie Merrinoe
Gage Clarke
Dr. Bannerman
Marvin Miller
Robby the Robot (voice) (uncredited)
Robby the Robot
Robby
Than Wyenn
Prof. Zeller
Michael Miller
2nd Gate Sergeant
Helen Kleeb
Miss Vandergrift (uncredited)