Emjay Anthony

Max Engel

Adam Scott

Tom Engel

Toni Collette

Sarah Engel

Allison Tolman

Linda

David Koechner

Howard

Stefania LaVie Owen

Beth Engel

Conchata Ferrell

Aunt Dorothy

Luke Hawker

Krampus

Gideon Emery

Krampus (voice)

Ivy George

Cherub

Krista Stadler

Omi

Seth Green

Lumpy

Justin Roiland

Clumpy

Breehn Burns

Dumpy

Tess Jamieson-Karaha

Wasp Mother

Leith Towers

Derek

Curtis Vowell

DHL Man