Guest Stars Walter Burke as Recruiter Richard Dawson as Oliver Fair Dee Hartford as Mrs. Clarke John Graham as Supervisor William Douglas as Henry Castle Tony Mordente as Genero Planetta Neil Hamilton as General Hilary J. Clarke Len Lesser as Worker / GIA Agent Don Gordon as Luis D. Spain George Macready as Gov. Lawrence K. Hillmond Chris Warfield as Johnny Uncredited Vic Perrin voices GIA Chief Bob Johnson voices Invisible