fans are eagerly anticipating the fifth season of the show, and with production starting back up in May, ET spoke with the series' stars at the 28th Screen Actors Guild Awards to see what they could tease about the future of the Dutton family. Kevin Costner, who plays patriarch John Dutton in the series, played coy about what fans can expect, telling ET that spoilers «take the fun away.»«I got a new horse. How's that?» Costner quipped.Even Luke Grimes, who portrays Costner's son, Kayce Dutton, didn't have any info to share, noting that the cast «gets the scripts as they come in and as we shoot.»«I never know.