演职人员
Timmie Merrinoe
Richard Eyer
Dr. Tom Merrinoe
Philip Abbott
Mary Merrinoe
Q5271408
Gen. Swayne
哈罗德·J.斯通
Prof. Frank Allerton
Robert H. Harris
Col. Macklin
Dennis McCarthy
Arthur Kelvaney
Alexander Lockwood
Prof. Baine
John O'Malley
Dr. Bannerman
Gage Clarke
Prof. Zeller
Than Wyenn
Prof. Foster
Jefferson Dudley Searles
Martin / Computer
Alfred Linder
1st Gate Sergeant
Ralph Votrian
2nd Gate Sergeant
Michael Miller
Capt. McLaren (uncredited)
Rayford Barnes
Miss Vandergrift (uncredited)
Helen Kleeb
Scientist (uncredited)
Alvy Moore
Young soldier (uncredited)
Gary Vinson
Robby the Robot (voice) (uncredited)
Marvin Miller
Robby
Robby the Robot