Kevin Costner and his family's involvement in 'Horizon: An American Saga' and 'Yellowstone'

Kevin Costner shared that his seven children are all supportive of each other, with his 15-year-old son, Hayes, also showing acting skills in 'Horizon: An American Saga.' Costner invested $38 million of his own money into the film. He confirmed he will not be returning to 'Yellowstone' for Season 5.