Générique complet
The Flag of Humanity
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 (uncredited)
Scotty Beckett
Johnny Wilson (uncredited)
William Hopper
Sentry (uncredited)
Joe King
President Rutherford B. Hayes (uncredited)
OK
Owen King
Bradley's Assistant (uncredited)
Harold Miller
Military Man at Clara's Death Bed (uncredited)
Carlyle Moore Jr.
Soldier (uncredited)
Frank Puglia
Henry Dunant (uncredited)
Jack Rice
Dr. Louis Appia (uncredited)
James Seay
Stretcher Bearer (uncredited)
Robert Strange
Dr. Bradley (uncredited)
