Whistle is an upcoming teen horror film directed by Corin Hardy and written by Owen Egerton.
It stars Dafne Keen, Sophie Nélisse, Nick Frost, Sky Yang and Percy Hynes White.
As the body count increase, they investigate the artifact's history in hopes to halt the sequence of events they have set into motion.
It is a Canadian and Irish co-production and produced by David Gross for No Trace Camping and Macdara Kelleher for Wild Atlantic Pictures.
[2] In October 2023, Dafne Keen, Sophie Nélisse, Sky Yang, Percy Hynes White and Nick Frost were added to the cast.