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Jesse Armstrong’s ‘Mountainhead’ Satire of Tech Titans Debuts on HBO and Max

Shot in just weeks, the film stars Steve Carell, Jason Schwartzman, Cory Michael Smith alongside Ramy Youssef in a dark comedy about a crisis fueled by deepfake misinformation

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Four tech titans — portrayed by Ramy Youseff, left, Cory Michael Smith, Steve Carell and Jason Schwartzman — “hunker in the bunker” of a mountain retreat as the spread of misinformation leads to violence around the world in “Mountainhead.” (Courtesy of Warner Bros. Discovery)
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Steve Carell in HBO's 'Mountainhead' from Jesse Armstrong.

Overview

  • Armstrong wrote the script in January and February 2025 and completed filming over a few weeks this spring in Utah.
  • Mountainhead centers on four billionaire friends at a secluded mountain retreat grappling with global unrest caused by deepfake videos on a social media platform.
  • Steve Carell portrays venture capitalist Randall, Jason Schwartzman is millionaire host Souper, Cory Michael Smith plays deepfake mogul Venis and Ramy Youssef appears as AI developer Jeff.
  • Early reviews praise the film’s sharp pacing and wit, and it holds an 85% rating on Rotten Tomatoes based on critical consensus.
  • Premiered May 31 at 8 PM ET/PT, Mountainhead streams exclusively on HBO and Max as Armstrong’s directorial debut in feature filmmaking.