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