Maya Rudolph as Mother Parker

Chris Diamantopoulos as Old Man Parker

Ana Gasteyer as Mrs. Schwartz

Andy Walken as Ralphie Parker

Matthew Broderick as Ralphie as an Adult

Tyler Wladis as Randy

Jane Krakowski as Miss Shields

David Alan Grier as Santa Claus

Ken Jeong as Christmas Tree Man / Chinese Restaurant Owner

Nick Mara as Caroler

Brandon Arreaga as Caroler

Austin Porter as Caroler

Edwin Honoret as Caroler

Zion Kuwonu as Caroler

Fred Armisen as Elf

Bebe Rexha as Singer

Sacha Carlson as Ensemble/Scut Farkus

Elie Samouhi as Ensemble/Grover Dill

Sammy Ramirez as Ensemble/Schwartz

Jason Michael Snow as Ensemble/Bank Robber

Corey Anderson as Ensemble

Audrey Douglass as Ensemble

Abigail Dylan Harrison as Ensemble