Parker Posey is officially returning to horror. The indie-film icon has been cast as the lead of Sleepover, a new horror movie from Blumhouse-Atomic Monster and Universal Pictures that is already one of the most talked-about genre announcements of the season.
The project was announced on October 13–14, 2026, first reported as a Variety exclusive and quickly corroborated by Fangoria, iHorror, Bloody Disgusting, and ComingSoon. The film is set for a theatrical release on October 8, 2027, joining a busy 2027 slate that also includes Narnia: The Magician's Nephew (2027).
Sleepover Movie Facts
Film: Sleepover (2027)
Star: Parker Posey — the only cast member announced so far
Director: Jacob Chase (Come Play, Insidious: Out of the Further)
Writers: Jacob Chase and Bryce McGuire (Night Swim), adapted from McGuire's original short story
Studio: Blumhouse-Atomic Monster and Universal Pictures
Release Date: October 8, 2027 (theatrical)
Producer: Jason Blum; executive producers Jacob Chase, Bryce McGuire, and Bea Sequeira; Lilly Tyson oversees for the studio; produced by Cinescape Entertainment
Posey is no stranger to the genre: she played Jennifer Jolie in Scream 3 (2000) and Danica Talos in Blade: Trinity (2004). More recently, she earned a Golden Globe nomination for The White Lotus season 3 and appeared in Beau Is Afraid and Thelma. She will next be seen in Martin McDonagh's Wild Horse Nine (Searchlight, in theaters November 6, 2026) and hosts the Hulu reality series The Mob, premiering October 26, 2026.
Plot: What We Know So Far
Plot details for Sleepover are officially under wraps, and that is not speculation — the studio and the filmmakers have simply not revealed the story yet. What has been reported is that the film is adapted from Bryce McGuire's original short story and has been described in coverage as a “quintessential sleepover nightmare.” Anything beyond that — characters, setting, or further casting — remains unconfirmed, and we will update this post when official details emerge.
Watch the Official Trailer
There is no official trailer for Sleepover yet — the film was only announced on October 13–14, 2026, so marketing materials are still to come. Check back closer to the theatrical release on October 8, 2027, when we will add the trailer here.
Frequently Asked Questions
Q: When does Sleepover release?
A: Sleepover releases in theaters on October 8, 2027, via Universal Pictures.
Q: Who stars in Sleepover?
A: Parker Posey stars in the lead role and is the only cast member announced so far.
Q: Who is directing Sleepover?
A: Jacob Chase (Come Play, Insidious: Out of the Further) directs from a script he co-wrote with Bryce McGuire.
Q: What is Sleepover based on?
A: The film is adapted from an original short story by Bryce McGuire (Night Swim), who co-wrote the screenplay with director Jacob Chase.
More upcoming-release coverage on LatestLyrics.xyz: Josephine (2026), Chhaava (2025), Spider-Man: Brand New Day (2026), and Wicked: For Good (2025).
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