Somewhere out there is a recording of Billy Bob Thornton and Johnny Cash playing Cash’s 1958 song “I Still Miss Someone” together. In a new interview with The Guardian, Thornton revealed that he collaborated with Cash on the tune, but it has never been released.

Thornton leads the cast as Tommy Norris, the landman for an oil company. With the dramatic 10th and final episode of season one airing on Sunday, Newsweek has taken a look at Thornton's personal wealth. According to Celebrity Net Worth, Thornton has a net worth of $45 million.

Check out ZZ Top frontman Billy Gibbons’ new solo song “Livin’ It Up Down in Texas,” which he co-wrote with 'Landman' stars Billy Bob Thornton and Mark Collie.

The actor speaks with The Hollywood Reporter about his oil tycoon's ending, the viral Jerry Jones scene and lessons learned for when the show likely returns: "There's going to be a lot of wreckage to clean up.

During the season finale, Andy Garcia made a cameo appearance which could turn into a regular role if Season 2 is confirmed. Ali Larter, Jacob Lofland and Michelle Randolph are three more actors on Landman. Demi Moore played Monty's wife, Cami.

The star of the Paramount+ oil industry series, who lost his home in ‘93 in the Malibu fires, says, "The most important thing is life and limb and family."

Landman' Star Billy Bob Thornton On Andy Garcia's Arrival As Galino, Demi Moore's Future & Those Crazy Phone Calls From Angela

Viewers were shocked after an award-winning actor made an appearance in the finale when the cartel kidnapped and tortured Tommy.

Watch the show live streaming online: If you don’t have cable, you still can watch The Landman Season 1 LIVE for free with Paramount+ (free trial). If you’re out of trials you can sign up starting at $7.99/month.

What happened to Billy Bob Thornton's brother, Jimmy? Discover the untold story of his life, the bond they shared, and the tragic cause of his death.

Landman star Billy Bob Thornton is breaking down the explosive first season finale of the Taylor Sheridan series

Randolph knows that the bond she's formed with Thornton is "so cool" and she tells PEOPLE Larter often introduces her as "my daughter"