Josh Brolin Confirms Sicario 3 Original Cast Reunion and Steven Knight Script

The long-gestating third installment of the Sicario franchise is moving into a critical development phase, officially reuniting the original lead trio of Josh Brolin, Emily Blunt, and Benicio del Toro. Speaking at New York Comic Con 2026, Brolin confirmed that the project is currently in the “notes process” as the creative team refines the script for a planned production start in early 2027.

The upcoming film marks a significant shift in the franchise’s creative leadership. While Taylor Sheridan wrote the first two entries, the screenplay for the third film is being handled by Steven Knight. Knight, known for Peaky Blinders, is currently balancing a high-profile slate that reportedly includes writing the next James Bond film. Taking the director’s chair is Padraic McKinley, who recently directed the 2026 feature The Weight starring Ethan Hawke and Russell Crowe.

Brolin emphasized the collective involvement of the original lead cast in the development process. He noted that he, Blunt, and del Toro are actively engaged in the current script iterations. Brolin even shared a personal anecdote from the development cycle, mentioning a recent voice memo he sent to Blunt to express his enthusiasm for their reunion on screen.

The Return of Kate Macer

One of the most notable developments for the threequel is the return of Emily Blunt as FBI agent Kate Macer. Blunt was the central protagonist of the 2015 original, directed by Denis Villeneuve, but her character was entirely absent from the 2018 sequel, Sicario: Day of the Soldado.

The decision to bring back the full original trio suggests a return to the character dynamics that defined the first film. While the second movie focused more heavily on the relationship between Brolin’s Matt Graver and del Toro’s Alejandro Gillick, the third entry appears designed to reintegrate the moral perspective Macer provided.

Production Timeline and Status

The project is currently being shopped to potential studios and distributors. While earlier reports suggested that Taylor Sheridan had already completed a draft for the third film, current production details confirm that the team is moving forward with Knight’s script instead.

If the planned early 2027 production window holds, it will mark nearly a decade since the last film in the series was released. The delay has been attributed to the busy schedules of the lead actors and the search for a creative direction that satisfied the original cast. With McKinley attached to direct and the “notes process” underway, the project has its clearest path forward since the release of Day of the Soldado.

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