The Invisible Boy
Voltar
Richard EyerTimmie Merrinoe
Philip AbbottDr. Tom Merrinoe
Diane BrewsterMary Merrinoe
Harold J. StoneGen. Swayne
Robert H. HarrisProf. Frank Allerton- Dennis McCarthyCol. Macklin
Alexander LockwoodArthur Kelvaney- John O'MalleyProf. Baine
Gage ClarkeDr. Bannerman
Than WyennProf. Zeller- Jefferson Dudley SearlesProf. Foster
- Alfred LinderMartin / Computer
Ralph Votrian1st Gate Sergeant
Michael Miller2nd Gate Sergeant
Rayford BarnesCapt. McLaren (sem créditos)
Helen KleebMiss Vandergrift (sem créditos)
Alvy MooreScientist (sem créditos)
Gary VinsonYoung soldier (sem créditos)
Marvin MillerRobby the Robot (voz) (sem créditos)