Adam Scott

Tom

Toni Collette

Sarah

David Koechner

Howard

Allison Tolman

Linda

Conchata Ferrell

Aunt Dorothy

Emjay Anthony

Max

Stefania LaVie Owen

Beth

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

Seth Green

Lumpy (voice)

Breehn Burns

Dumpy (voice)

Justin Roiland

Clumpy (voice)

Brett Beattie

Der Klown

Mark Atkin

Ketkrókur

Amy Brighton

Þvörusleikir

Trevor Bau

Hurðaskellir

Ravi Narayan

Kertasníkir

Felicity Hamill

Gáttaþefur

Sophie Gannon

Bjúgnakrækir

Kelly Lily Marie

Giljagaur

Clare Odell

Gluggagægir

Gareth Ruck

Stekkjarstaur

Ivy George

Perchta the Cherub (voice)

Collin Dean

Ruprecht the Elf (voice)

Pascal Ackerman

The Yule Goat

Skye Broberg

The Yule Goat

Jessie Carson

The Yule Goat

Gideon Emery

Krampus (voice) (uncredited)