Whistle— Full Cast

Dafne Keen

as Chrys Willet

Sophie Nélisse

as Ellie Gains

Sky Yang

as Rel Taylor

Jhaleil Swaby

as Dean

Alissa Skovbye

as Grace Friedkin

Percy Hynes White

as Noah Haggerty

Stephen Kalyn

as Mason Horse Raymore

Michelle Fairley

as Ivy Raymore

Nick Frost

as Mr. Craven

Janaya Stephens

as Grace's Mom

Lanette Ware

as Maya Jackson

Mika Amonsen

as Tanner

Troy James

as Dead Dean

Cameron Norris

as Timmy

Maynuka Sarwar

as Sexy Pennywise