Published: May 16, 2025 -- HBO has released the official trailer and key art for the original film MOUNTAINHEAD, written, directed, and executive produced by seven-time Emmy(R) winner and Oscar(R)-nominated Jesse Armstrong (HBO's "Succession"). The film debuts SATURDAY, MAY 31 at 8:00 p.m. ET/PT on HBO and will be available to stream on Max.

Logline:

A group of billionaire friends get together against the backdrop of a rolling international crisis.

Cast:

Steve Carell as Randall, Jason Schwartzman as Souper (Hugo Van Yalk), Cory Michael Smith as Venis, and Ramy Youssef as Jeff.

Credits:

The HBO Original film is written and directed by Jesse Armstrong; executive produced by Jesse Armstrong, Frank Rich, Lucy Prebble, Jon Brown, Tony Roche, Will Tracy, Mark Mylod, and Jill Footlick.