Explore the lure of the Old West and how it was won—and lost—through the blood, sweat and tears of many. Spanning 15 years before, during, and following the Civil War, from 1859 to 1874, embark on an emotional journey across a country at war with itself, experienced through the lens of families, friends and foes all attempting to discover what it truly means to be the United States of America.
Unfortunately the movie Horizon: An American Saga - Chapter 4 is not yet available on HBO Max.
| Production | Kevin Costner | Producer |
| Directing | Kevin Costner | Director |
| Writing | Jon Baird | Story |
| Writing | Mark Kasdan | Story |
| Writing | Kevin Costner | Screenplay |
| Production | Howard Kaplan | Producer |
| Writing | Kevin Costner | Story |
| Writing | Jon Baird | Screenplay |
| Production | Mark George Gillard | Producer |
