Seth Rogen

Isaac

Tracy Morgan

Narrator / Santa

Joseph Gordon-Levitt

Ethan

Ben Waisbren

Executive Producer

Mindy Kaling

Sarah

James Franco

Self

Miley Cyrus

Self

Lorraine Toussaint

Mrs. Roberts

Jonathan Levine

Director

Anthony Mackie

Chris

Joseph Drake

Executive Producer

Nathan Kahane

Executive Producer

Jason Mantzoukas

Bad Santa #1

Ariel Shaffir

Executive Producer

Kyle Hunter

Executive Producer

Jillian Bell

Betsy

Randall Park

Boss

Nathan Fielder

Joshua

Michael Shannon

Mr. Green

Lizzy Caplan

Diana

Barbara A. Hall

Executive Producer

Ilana Glazer

Rebecca Grinch

Heléne Yorke

Cindy

Aaron Hill

Tommy Owens

Darrie Lawrence

Nana

Kamal Angelo Bolden

Kamal

Baron Davis

Self

Chuck Muckle

Piano Playing Uncle

Curt Bouril

Cindy's Husband

Brooke Liddell

Cindy's Daugher

Kiley Liddell

Cindy's Daughter