Voice

Seth Green

Skeletor

Dan Milano

Voice

Breckin Meyer

Various (voice)

Matthew Senreich

Krampus / Santa's Manager

Jason Alexander

Narrator

Jemaine Clement

Daphne Blake (voice) / Sarah Connor (voice) / Betty Crocker (voice)

Sarah Michelle Gellar

(voice)

Adrianne Palicki

Mrs. Claus

Madison Dylan

Little Boy / Bullied Kid / Himself

Macaulay Culkin

Voice

Tom Root

Abby Stevenson (voice) / Jenny Curran (voice) / Cortana (voice)

Nina Dobrev

Seuss Sister (voice) / Cheetara (voice) / Ramona (voice)

Hayden Panettiere

(voice)

Kyle Chandler

Barbie / Cinema Girl (voice) / Riley Andersen (voice)

Sydney Sweeney

Sun Baby / Marie 'Slim' Browning

Elizabeth Gillies

8-bit Woman (voice) / Student (voice)

Victoria Justice

Monopoly Daughter (voice) / Black Widow (voice)

Paris Berelc

Al yankovic / kevin / kaiju

'Weird Al' Yankovic

Herself / Mrs. Claus / hooker

Phyllis Diller

Mad scientist

David Lynch

Billy Joel

Zac Efron

Lois Lane

Emma Stone

Veronica Lodge

Scarlett Johansson

Talyn

Mae Whitman

Director

Tom Sheppard

Director

Ross Shuman

Director

Matthew Senreich

Director

Tom Root