Justin Long Joins Cast of Warner Bros. Movie Nasty
The actor will play the brother and co-coach of a character portrayed by Rose Byrne in the upcoming horror film.
Updated on Oct. 30, 2026 in Horror
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Justin Long has joined the cast of the Warner Bros. movie Nasty. He is set to star alongside Rose Byrne and Jenna Ortega in the new production.
Why it matters
The casting announcement adds a key performer to the project, which explores the dynamics between gymnasts and their coaches. It marks another high-profile collaboration for the studio as it prepares to enter production.
Rose Byrne brings extensive experience to the horror genre, having appeared in 4 entries of the Insidious film franchise. The production of Nasty is now confirmed to begin in New Orleans.
The players
Justin Long
He is an actor known for his work across various genres including comedy and horror.
Rose Byrne
She is an actress with a significant background in the horror genre through her past film roles.
Jenna Ortega
She is an actress currently recognized for her work in contemporary horror and suspense cinema.
Mary Bronstein
She is the director responsible for helming this upcoming Warner Bros. production.
Isabella Jarosz
She is the screenwriter who penned the script for the film Nasty.
The details
The film is written by Isabella Jarosz and directed by Mary Bronstein. Jenna Ortega is also attached to the project, where she will portray a gymnast training under the character played by Byrne.
Timeline
Production of the movie Nasty is scheduled to begin in November 2026.
Industry Dynamics
This project reflects the ongoing studio reliance on established horror talent to anchor new genre films. It follows a pattern set by the Insidious film franchise, where experienced actors are leveraged to drive interest in supernatural or suspense-driven narratives.
Viewers can expect to see this production hit the screen following the start of filming in late 2026. Details regarding theatrical distribution and streaming access for the Warner Bros. title will be provided closer to the release date.
The takeaway
The addition of seasoned actors like Long and Byrne suggests a focus on strong character-driven performances within the horror genre. Audiences interested in the evolution of suspense films should watch for further updates as the project moves into its production phase.
Further reading
For more news on upcoming genre releases, visit the Horror section.
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