Overview

• Collider’s exclusive teaser follows a group of high school students as they encounter hallucinatory visions and deadly outcomes triggered by the ancient Aztec death whistle.
• Whistle marks director Corin Hardy’s third feature-length horror project following The Hallow (2015) and The Nun (2018).
• The ensemble cast includes Dafne Keen, Sophie Nélisse, Percy Hynes White, Sky Yang, and Nick Frost.
• The film has been rated R for strong violence, gore, drug content, and some language ahead of its release in 2026.
• Screenwriter Owen Egerton adapted the screenplay from his own short story, expanding the lore of the lethal artifact.