Jesse Armstrong's HBO film 'Mountainhead' is a modest follow-up to 'Succession.'

A group of billionaire friends? An international crisis? 'Mountainhead,' a new film from the creator of "Succession," premieres on HBO on May 31.

Jesse Armstrong, fresh off winning countless Emmys for his instantly iconic work on “Succession,” is the film’s director, writer, and executive producer. But the film also stars both comedic and dramatic heavyweights like Steve Carrell,

Turns out that killing is harder than you think...This article contains spoilers about Mountainhead.How many billionaires does it take to murder a friend?Apparently more than three. At least according to the plot of Mountainhead,

"Mountainhead" star Jason Schwartzman tells TODAY.com about the ending of the new HBO movie, also starring Steve Carell, Ramy Youssef and Cory Michael Smith.