Jesse Armstrong’s MOUNTAINHEAD Gets Official Trailer, Poster

Courtesy HBO Pictures

HBO Pictures has released the official trailer and poster for Jesse Armstrong’s MOUNTAINHEAD, which will begin streaming on HBO Max on May 31st, 2025, at 8p ET/PT. The film will stream in conjunction with its linear television premiere on HBO.

Mountainhead is written and directed by Armstrong, and stars Steve Carell, Jason Schwartzman, Cory Michael Smith, Ramy Youssef, Hadley Robinson, Andy Daly, Ali Kinkade, Daniel Oreskes, David Thompson, Amie MacKenzie and Ava Kostia.

In the film, a group of billionaire friends get together against the backdrop of a rolling international crisis.

You can find the release date on our Streaming calendar. Check out the official trailer and poster below.

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