Many shared their theory that Costner is leaving Yellowstone. But, aside from Costner's cryptic comment, there isn't any evidence that indicates he's done with the Paramount series. Costner was definitely part of the production bubble.

Did Costner quit Yellowstone?

Some, like this Twitter user, even said they heard a rumor that he might have been fired from Yellowstone. ... Kevin's spokesperson later confirmed to Gossip Cop that the actor is "very proud of Yellowstone," and there isn't any truth to these rumors.

Will Kevin Costner be on Season 4 of Yellowstone?

Kevin Costner portrays John Dutton on "Yellowstone." Season 4 debuts on Sunday, Nov. 7, 2021, on Paramount Network's app and website and on Philo.