Toni Collette

Sarah

David Koechner

Howard

Todd Casey

Writer

Seth Green

Lumpy (voice)

Justin Roiland

Clumpy (voice)

Conchata Ferrell

Aunt Dorothy

Breehn Burns

Dumpy (voice)

Adam Scott

Tom

Daniel M. Stillman

Executive Producer

Emjay Anthony

Max

Michael Dougherty

Director

Stefania LaVie Owen

Beth

Allison Tolman

Linda

Krista Stadler

Omi

Lolo Owen

Stevie

Queenie Samuel

Jordan

Maverick Flack

Howie, Jr

Sage Hunefeld

Baby Chrissy

Leith Towers

Derek

Curtis Vowell

DHL Man

Luke Hawker

Krampus

Brett Beattie

Der Klown

Mark Atkin

Ketkrókur

Amy Brighton

Þvörusleikir

Trevor Bau

Hurðaskellir

Ravi Narayan

Kertasníkir

Felicity Hamill

Gáttaþefur

Zach Shields

Writer