(in credits order) verified as complete
Rest of cast listed alphabetically
- Tom Bernard(uncredited)
- Madge Blake(uncredited)
- Sven Hugo Borg(uncredited)
- Ralph Brooks(uncredited)
- Buddy Bryan(uncredited)
- Paul Bryar(uncredited)
- Benny Burt(uncredited)
- Steve Carruthers(uncredited)
- John Cliff(uncredited)
- Betty Comden(voice) (uncredited)
- Gene Coogan(uncredited)
- Dwight D. Eisenhower(archive footage) (uncredited)
- Duke Fishman(uncredited)
- June Foray(voice) (uncredited)
- George Ford(uncredited)
- Alex Gerry(uncredited)
- Frank Gerstle(uncredited)
- James Gonzalez(uncredited)
- Dick Gordon(uncredited)
- Sol Gorss(uncredited)
- Herschel Graham(uncredited)
- Jimmie Horan(uncredited)
- John Indrisano(uncredited)
- Johnny Kern(uncredited)
- Henry Kulky(uncredited)
- Peter Leeds(uncredited)
- Lou Lubin(uncredited)
- Hal March(uncredited)
- Paul Maxey(uncredited)
- Frank Mitchell(uncredited)
- Charles Morton(uncredited)
- Barry Norton(uncredited)
- William H. O'Brien(uncredited)
- Monty O'Grady(uncredited)
- Pope Pius XII(archive footage) (uncredited)
- Fred Rapport(uncredited)
- Leoda Richards(uncredited)
- Suzanne Ridgway(uncredited)
- Alex Romero(uncredited)
- Cosmo Sardo(uncredited)
- Jeffrey Sayre(uncredited)
- Bernard Sell(uncredited)
- Dick Simmons(uncredited)
- Carl Sklover(uncredited)
- Norman Stevans(uncredited)
- Charles Sullivan(uncredited)
- Harry S. Truman(archive footage) (uncredited)
- Renata Vanni(uncredited)
- Herb Vigran(uncredited)
- Tito Vuolo(uncredited)
- Jeri Weil(uncredited)
- Harry Wilson(uncredited)
- Terry Wilson(uncredited)
Crew verified as complete