Kevin Costner praised his son's acting debut in the trailer for his movie

Kevin Costner praises son's acting debut in 'Horizon' trailer: 'Really proud' Costner admitted the "best part of the Horizon: Part 1 trailer" was catching a glimpse of his youngest son Hayes, 15, making his movie acting debut. Costner said he was'really proud' of his son's performance in the trailer.

Kevin Costner invested millions of his own money to fund "Horizon" Brand experts believe Hollywood and the box office may not favor the cowboy this time. 'Horizon' is the latest installment in a series of films starring Costner and Robert De Niro films.

Kevin Costner debuts trailer for his four-film project ‘Horizon: An American Saga’ Costner co-wrote, produced, directed and stars in the Western epic. Costner stars in four films, co-written, produced and directed in four of them.

Kevin Costner revealed the first trailer to his post-Civil War Western drama, "Horizon: An American Saga," on Monday. The film was 30 years in the making, which was released 30 years ago. Costner: 'Horizon' was 'biggest struggle' as he unveils first look at Western film.