"Landman" actor Billy Bob Thornton told Fox News Digital he's remained "very close" to his co-star Demi Moore and Bruce Willis’ family over the years. Willis is currently battling dementia.

Set in the stark desert of West Texas, the Paramount+ drama follows an oil company's dogged fixer as he tries to prevent the rigs, his family, and the American dream from falling apart.

Thornton stars in the 'Yellowstone' creator's newest series 'Landman,' set in the world of the Texas oil business.