Parker Posey to star in Blumhouse Atomic Monster horror film 'Sleepover'

Left · 2Parker Posey will star in the horror film "Sleepover" from Blumhouse Atomic Monster and Universal Pictures, Variety reported exclusively on 13 October 2026. 1 2 Left · 2The film is set for release in theaters on 8 October 2027. 1 2 Left · 2Jacob Chase, director of "Insidious: Out of the Further", directs from a script he co-wrote with "Night Swim" screenwriter Bryce McGuire, adapted from McGuire's original short story. 1 2

Left · 2Jason Blum is producing, with Chase, McGuire and Bea Sequeira as executive producers; Variety adds that Lilly Tyson oversees the project and that it is a Cinescape Entertainment production presented by Universal and Blumhouse Atomic Monster. 1 2 Left · 2Further casting and plot details have not been disclosed. 1 2 Left · 2Posey has previous horror credits, including "Scream 3" (2000) and "Blade: Trinity" (2004), and appeared in the third season of HBO's "White Lotus"; The A.V. Club says that role earned her an Emmy nomination. 1 2

Left · 1Variety says Posey will next be seen in Martin McDonagh's "Wild Horse Nine", due 6 November, and hosts the Hulu series "The Mob", which debuts 26 October. 1 Left · 2Variety says Chase's "Insidious: Out of the Further" opened in August and grossed $169 million worldwide against an $18 million budget; The A.V. Club's Jesse Hassenger called it "a robust reconstitution" of the franchise formula. 1 2