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