The Four Horsemen of the Apocalypse is a 1921 American silent epic war film produced by Metro Pictures Corporation and directed by Rex Ingram. Based on the Spanish novel The Four Horsemen of the Apocalypse by Vicente Blasco Ibáñez, it was adapted for the screen by June Mathis. The film stars Pomeroy Cannon, Josef Swickard, Bridgetta Clark, Rudolph Valentino, Wallace Beery, and Alice Terry.