Brian McMahon as Himself (archive footage) (as Sen. Brian McMahon)
Seymour Melman as Himself - Columbia University (archive footage) (as Prof. Seymour Melman)
George Molan as Himself (archive footage) (as Cpl. George Molan)
Richard Nixon as Himself (archive footage)
Val Peterson as Himself - Director of Civil Defense (archive footage) (as Gov. Val Peterson)
George Portell as Himself (archive footage) (as Tech Sgt. George Portell)
George Putnam as Newsreel Narrator (voice) (archive footage)
Ronald Reagan as Himself (archive footage)