Sydney's DC Discovery - Jean Fischer

Sydney Lincoln - Storm Reid

Elizabeth Anderson - Willow Shields

Kate Oliver - Anna Cathcart

McKenzie Phillips - Abby Donnelly

Aunt Dee Powers - Cush Jumbo

Uncle Dan - Joseph Mazzello

Mrs. Lincoln - Sara Rue

Alexis Howell - Malina Weissman

Bailey Chang - Miya Cech

Rusty - Cameron Monaghan

Moose - Justin Prentice