The Newsroom is coming to an end once its final episode of its third season airs on Dec. 14, which makes the cast sad, especially Thomas Sadoski who portrays Don Keefer on the show.

HBO's Fall TV Schedule Includes Final Season Of 'The Newsroom'

E! Online reported on Saturday that Sadoski opened up at the premiere of his new movie Wild (out in theaters Dec. 5) that he's having a hard time saying goodbye to his costars from The Newsroom.

In January of this year it was announced that the Aaron Sorkin crafted drama series failed to earn high ratings and praise so it was being axed after its third season were to wrap up.

Watch The Season 3 Trailer For 'The Newsroom'

Sadoski asked during his red carpet interview with E! Online, "How do you say goodbye to Sam Waterston?" who is one of his costars on the HBO drama.

He added, "You know what I mean? You hug him and you say, 'Thank you,' and you move on."

Sadoski said him and the rest of the cast are proud of themselves though despite the show getting canceled. "You can't even put into words what those guys meant to me. It's sad. It's sad. We're proud of the way we went out and we're proud of what we've accomplished."

He also divulged that this final season is "big." He teased, "Some pretty impressive things happen this season, some pretty heartbreaking stuff, some pretty beautiful stuff."

The Newsroom is currently airing its final season on HBO at 9 p.m. ET on Sundays. The next episode is called Contempt. See the preview below.

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