Suggestions by @kumagom

Donald Glover

as The ShowBear in The Walten Files

Andrew Garfield

as The Shadow Man in The Walten Files

Thomas Brodie-Sangster

as The Sad Ghost in The Walten Files

Sofía Vergara

as The Jolly Ghost in The Walten Files

Doja Cat

as Tammy in The Walten Files

Nick Jonas

as Sy05 in The Walten Files

Selena Gomez

as Susan Woodings in The Walten Files

Poppy

as Sophie Walten in The Walten Files

Alessia Cara

as Technical Support Sha in The Walten Files

Willow Smith

as Sha in The Walten Files

Queen Latifah

as Sarah Evelyn in The Walten Files

Kristen Bell

as Rosemary Walten in The Walten Files

Shawn Mendes

as Rocket in The Walten Files

Michael Eric Reid

as Pumpkin Rabbit in The Walten Files

Ezra Miller

as Mortality in The Walten Files

Sia Kate Isobelle Furler

as Mech in The Walten Files

Haechan

as Little Bon in The Walten Files

Pauley Perrette

as Linda Thompson in The Walten Files

Dylan Sprouse

as Kevin Woodings in The Walten Files

Jennifer Aniston

as Johnny Bear's Mother in The Walten Files