Horizon: An American Saga – Chapter 3

Horizon: An American Saga – Chapter 3 is an upcoming American epic Western film directed and produced by as well as starring Kevin Costner from a screenplay he co-wrote with Jon Baird, based on an original story he co-authored with Baird and Mark Kasdan. It is the third installment in the titular film series and direct sequel to Horizon: An American Saga – Chapter 2. Costner reprises his role alongside most of the other cast from the previous film consisting of Sienna Miller, Sam Worthington, Giovanni Ribisi, Ella Hunt, Will Patton, Luke Wilson, Isabelle Fuhrman, Thomas Haden Church, Glynn Turman, and Kathleen Quinlan.

Production
In June 2022, Costner revealed that the film series would consist of four distinct movies. It is intended that Chapter 3 will be released approximately three months after the second movie, with Costner explaining that he would like to see each installment debut in a with a similar amount of time between each release. Production of the third film was paused due to the writers and the actors strike. In October of the same year following the debut of the trailer and poster for Chapter 1 and Chapter 2, it was confirmed that work on the sequels is ongoing.

In February 2024, amidst post-production on the first two installments, Costner commenced building a new production company named Territory Film Studios in Utah. Production on the third and fourth movie will begin later that year. In May 2024, casting calls for background actors had commenced; while production was slated to begin later that month in St. George, Utah. Later, it was reported that production initially commenced in 2023, before progress halted in part due to the writer/actor strikes. One month following the completion of the previous installment, Costner began filming a montage sequence that features scenes from Chapter 3. Costner stated that principal photography commenced on May 13, 2024; explaining that production had initially been planned to commence on April 25, before being moved to May 6 in order to accommodate funding.

Filming
Principal photography began on May 13, 2024, in Utah.