Maya Rudolph

Mother Parker

Chris Diamantopoulos

Old Man Parker

Ana Gasteyer

Mrs. Schwartz

Andy Walken

Ralphie Parker

Matthew Broderick

Ralphie as an Adult

Tyler Wladis

Randy

Jane Krakowski

Miss Shields

David Alan Grier

Santa Claus

Ken Jeong

Christmas Tree Man / Chinese Restaurant Owner

Nick Mara

Caroler

Brandon Arreaga

Caroler

Austin Porter

Caroler

Edwin Honoret

Caroler

Zion Kuwonu

Caroler

Fred Armisen

Elf

Scott Ellis

Alex Rudzinski