Dafne Keen

Chrys Willet

Sophie Nélisse

Ellie Gains

Sky Yang

Rel Taylor

Jhaleil Swaby

Dean

Alissa Skovbye

Grace Friedkin

Percy Hynes White

Noah Haggerty

Mika Amonsen

Tanner

Michelle Fairley

Ivy Raymore

Stephen Kalyn

Mason Horse Raymore

Nick Frost

Mr. Craven

Conrad Coates

Clayton Jackson

Lanette Ware

Maya Jackson

Christine Sahely

Principal Flynn

Dina Pino

Esme Raymore

Izaak Smith

Pellington Coach

Vicki Kim

The Recruiter

Cameron Norris

Timmy

Carson Durven

Charlie

Mikayla Kong

Asha

Michael Koras

Tommy

Louis Adams

Doctor

Maynuka Sarwar

Sexy Pennywise

Jack Beeston

Carnival Booth Clerk Regg.

Clayton Scott

Werewolf

Natasha Tracy Taylor

Woman At Harvest Festival

Jee-Yun Lee

Local Reporter

Brandon James Sim

Mr. Craven Doppelgänger

Janaya Stephens

Grace's Mom

Troy James

Dead Dean

Ruth Chiang

Rel's Mom

Julia Dyan-Porter

EMT

Toria Summerville

Old Crone / Dead Ellie

Matthew MacCallum

Burnt Mason / Dead Dean / Bloated Jake

Ray Francis

Bandaged Man

Kalie Hunter

Dead Grace

Yuliya Stetsko

Student (uncredited)

Liam Chase Trefry

Student (uncredited)