Haley Dutton
Youngest children of John and Evelyn Dutton. Was 3 when her mother died while horse riding with her siblings. Works on the ranch with her father and the ranch hands. Has her mother's special talents but just doesn't know it yet.
John Dutton
Owner of Yellowstone. Father to Haley, Beth, Lee, Kayce and Jamie. Has protected the ranch his whole life. Didn't let Haley near the barn or horses until she was 11 years. Would do anything to protect his children from whoever and whatever comes their way.
Rip Wheeler
John's right hand man after John killed Frank. Has been working on the ranch since he was 14. Closer in age to Beth. Rip is 10 years older than Haley Dutton. Has a sweet caring personality towards Haley.
Beth Dutton
Older sister to Haley but younger sister to Lee, Kayce and Jamie. Works as banker in the city after she left for Salt Lake City and then returned. She is 7 years older than Haley, making her 3 years younger than Rip. Beth has a hateful relationship towards Haley because Haley is always around Rip and Beth likes Rip.
Frank
John's right hand man until he did something to the youngest Dutton. Was killed by John.
The rest of Yellowstone cast as themselves.