Cast of Horizon: An American Saga - Chapter 1

Kevin Costner portrays Hayes Ellison, a pivotal character in the story.

Sienna Miller plays Frances Kittredge, another central figure in the narrative.

Sam Worthington is cast as First Lt. Trent Gephardt, an important military officer.

Giovanni Ribisi appears as Roland Bailey, contributing to the film's complex dynamics.

Jena Malone takes on the dual role of Ellen/Lucy, showcasing her versatility.

Abbey Lee portrays Marigold, a character with an enigmatic presence in the story.

Michael Rooker plays Sgt. Major Riordan, adding depth to the military aspect of the film.

Danny Huston is cast as Colonel Houghton, a high-ranking and influential figure.

Luke Wilson portrays Matthew Van Weyden, another key character in the saga.

Isabelle Fuhrman plays Diamond, a character that adds to the story's intrigue.

Jeff Fahey takes on a character that plays a supporting yet significant role in the film.

Will Patton portrays Owen Kittredge, adding further depth to the narrative.