The Flag of Humanity The story of how Clara Barton helped found the American Red Cross. Details Casts Posters Title The Flag of Humanity Release Date 1940-10-19 Runtime 00 Hours 19 Minutes Genres Drama History Production Companies Warner Bros. Pictures, First National Pictures Production Countries United States of America Nana Bryant... Clara Barton... Fay Helm... Elsie Howard... John Hamilton... Gen. James Garfield... Ted Osborne... Dr. Bellows... John Arledge... Jeremy... John Alexander... Robert Todd Lincoln (uncr... Scotty Beckett... Johnny Wilson (uncredited... William Hopper... Sentry (uncredited)... Joe King... President Rutherford B. H... Owen King... Bradley's Assistant (uncr... Harold Miller... Military Man at Clara's D... Carlyle Moore Jr.... Soldier (uncredited)... Frank Puglia... Henry Dunant (uncredited)... Jack Rice... Dr. Louis Appia (uncredit... James Seay... Stretcher Bearer (uncredi... Robert Strange... Dr. Bradley (uncredited)... Original Size (1000x1500)