The Battle Cry of Peace
The Battle Cry of Peace is a 1915 American silent war drama film directed by Wilfrid North and J. Stuart Blackton, one of the founders of Vitagraph Company of America who also wrote the scenario. The film is based on the book Defenseless America, by Hudson Maxim, and was distributed by V-L-S-E, Incorporated. The film stars Charles Richman, L. Rogers Lytton, and James W. Morrison.

Alternate titles for this film were A Call to Arms and The Battle Cry of War. In the UK, the film was called An American Home. A sequel followed in 1917, Womanhood, the Glory of the Nation.

Plot
In a war-torn world, enemies of the United States use pacifists as pawns to make sure that the United States does not spend too much on defense. Then the enemies attack and take over the country.

Significance
Upon its release, the film generated a controversy rivaling that of Birth of a Nation because it was considered to be militaristic propaganda. Producer Stuart Blackton believed that the US should join the Allies involved in World War I overseas, and that was why he made the film. Former President Theodore Roosevelt was one of the film's staunchest supporters, and he persuaded Gen. Leonard Wood to lend Blackton an entire regiment of Marines to use as extras.

Cast
 Charles Richman - John Harrison
 L. Rogers Lytton - Mr. Emanon
 James W. Morrison - Charley Harrison
 Mary Maurice - Mrs. Harrison
 Louise Beaudet - Mrs. Vandergriff
 Harold Hubert - John Vandergriff
 Jack Crawford - Poet Scout
 Charles Kent - The Master
 Julia Swayne Gordon - Magdalen
 Belle Bruce - Alice Harrison
 Norma Talmadge - Virginia Vandergriff
 Lucille Hammill - Dorothy Vandergriff
 Evart Overton - Vandergriff's son
 George Stevens - Butler
 Thais Lawton - Columbia
 Lionel Braham - The War Monster
 William J. Ferguson - Abraham Lincoln
 Paul Scardon - Ulysses S. Grant
 Joseph Kilgour - George Washington

Status
The majority of the film is now considered lost. The Cinemateket-Svenska Filminstitutet possesses one reel. Fragments of footage of battle scenes survive and are housed at the George Eastman House.