Parker Posey Joins "Sleepover" from Blumhouse, Atomic Monster and Universal (Exclusive)

Parker Posey will star in "Sleepover," the upcoming horror film from Blumhouse, Atomic Monster and Universal Pictures, Variety can exclusively report. The film will hit theaters on October 8, 2027. Jacob Chase, director of "Insidious: Out of the Further," will direct a screenplay co-written with Bryce McGuire, writer of "Night Swim." "Sleepover" is adapted from McGuire's original book […]

Parker Posey will star in Blumhouse Atomic Monster and Universal Pictures' upcoming horror film "Sleepover," Variety can exclusively reveal. This movie will be released on October 8, 2027.

"Insidious: Beyond Beyond" filmmaker Jacob Chase is directing from a script he co-wrote with "Night Swim" screenwriter Bryce McGuire. "Sleepover" is adapted from McGuire's original short story. More casting and plot details are under consideration. Related Stories Margaret Qualley and Sabrina Carpenter Join Tom Holland in Fred Astaire Biopic as Adele Astaire Ginger Rogers Madonna Opens MTV Video Music Awards with Sabrina Carpenter and Charli xcx, Plus Sombr, Debi Mazar and more.

Posey, known for recent work on films such as Thelma and Bio Scares, as well as the third season of HBO's Lily White, is no stranger to the horror genre. She had a breakout role as up-and-coming star Jennifer Jolie in 2000's Scream 3, and played villainous vampire CEO Danica Talos in 2004's Blade: Trinity. Posey can next be seen in Martin McDonagh's No Wild Horse, which premiered at the 2026 Venice Film Festival. Searchlight, starring John Malkovich and Sam Rockwell, is scheduled to be released on November 6. He is also the host of the upcoming reality competition series "The Mob," premiering October 26 on Hulu. Popular in Variety

Jason Blum is the producer. Chase, McGuire and Bea Sequeira serve as executive producers, with Lily Tyson directing the project. "Sleepover" is a Cinescape Entertainment production presented by Universal Pictures and Blumhouse Atomic Monster.

Blumhouse's Atomic Monster also produced Chase's Insidious: Beyond Beyond. The sixth installment of the long-running franchise opened in August with $60 million worldwide, grossing $169 million against a paltry $18 million budget. Chase's previous directing credits include the 2020 horror film "Come Play" and the original Peacock series "The Girl and the Woods."

Posey is repped by CAA, Entertainment 360, Yorn, Levine, Barnes, Krintzman, Rubenstein, Kohner, Endlich, Goodell & Gellman and Independent Public Relations.