The 13th Warrior is a 1999 action film based on Michael Crichton's novel Eaters of the Dead, directed by John McTiernan and an uncredited Crichton, and starring Antonio Banderas as Ahmad ibn Fadlan, Omar Sharif, and Vladimir Kulich as Buliwyf (Beowulf). The 13th Warrior was a disappointment at the box office, earning only US$61,698,899 worldwide.