Kevin Costner's departure from Yellowstone was reportedly marked by significant on-set conflict, including a physical altercation with co-star Wes Bentley over script changes. Insiders claim Costner lunged at Bentley after he refused to deviate from Taylor Sheridan's script. This alleged incident, which reportedly left Kelly Reilly in tears, briefly halted production and contributed to a "cracking" set environment. Costner's former agent defended him, while other sources described him as "impossible" to work with, citing past issues with script rewriting and co-star clashes.

Prepared by Emily Rhodes and reviewed by editorial team.