Whistle

Dafne Keen

as

Chrys

Sophie Nélisse

as

Ellie

Sky Yang

as

Rel

Jhaleil Swaby

as

Dean

Alissa Skovbye

as

Grace Friedkin

Percy Hynes Wh...

Michelle Fairl...

Nick Frost

as

Mr. Craven

Janaya Stephens

as

Grace's Mom

Lanette Ware

as

Maya Jackson

Mika Amonsen

as

Tanner

Stephen Kalyn

as

Mason Horse Ra...

Troy James

as

Dead Dean

Cameron Norris

as

Timmy

Maynuka Sarwar

as

Sexy Pennywise

Ruth Chiang

as

Rel's Mom

Julia Dyan-Por...

as

EMT

Toria Summervi...

as

Old Crone / De...

Christine Sahe...

as

Principal Flynn

Mikayla Kong

as

Asha

Matthew MacCal...

as

Burnt Mason / ...

Ray Francis

as

Bandaged Man

Kalie Hunter

as

Dead Grace

Brandon James ...

as

Mr. Craven Dop...

Michael Koras

as

Tommy

Clayton Scott

as

Werewolf

Louis Adams

as

Doctor

Jack Beeston

as

Carnival Booth...

Yuliya Stetsko

as

Student (uncre...

Liam Chase Tre...

as

Student (uncre...