After wealthy businessman Richard Shepard gets stranded in the Himalayas, he is rescued by two Monks, who take him to an old monastery. There, he spends the next three years of his life training to become a skilled samurai warrior, under the wing of a mysterious sensei. Shepard gets caught in the crossfire of an ancient war that has been going on for centuries in the City of Macedonia and must put his skills and technology to the test to defeat a terrorist organization who worship a longtime enemy of the Greek gods.
- Christian Bale as Richard Shepard/Red Shogun
- Lewis Tan as Wong Konig/Master
- Brad Pitt as Kenneth "Ken" Maynard
- D.B. Woodside as Isaac "Ike" Dodger
- Zoë Kravitz as Marian Stewart
- Ludi Lin as Adrian Morrow
- TBA as Aman the Orphan
- TBA as Rimah the Hermit
- Aaron Eckhart as Erebos (mid-credits scene only)
- The concept for Shogun was influenced by Marvel Comics characters Iron Man and Iron Fist as well as the Red Ranger from the Power Rangers Samurai series and figures/concepts derived from Greek mythology.
- Ludi Lin was cast in the role of Adrian Morrow due to fan support for him to portray Red Shogun.