The 53-year-old actor's sister had some words for him after she tuned in to Sunday's finale episode and discovered Monty's fate

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.

Although Monty's fate was left on a bit of an open-ended note, Hamm himself and series co-creator Christian Wallace have confirmed that the character is indeed dead.

Jerry Jones urges Monty Miller (Jon Hamm) to work with his family in "Landman." Sadly, Monty didn't make it through the finale.