Jesse Eisenberg as Ralphie

Adrien Brody as Dan

Odessa Young as Sal

Philip Ettinger as Jason

Sallieu Sesay as Ahmet

Evan Jonigkeit as Son Brad

Caleb Eberhardt as Son Aaron

Ethan Suplee as Dad Leo

Lamar Johnson as Garfield

Gheorghe Mureșan as Sachiel

Brian Anthony Wilson as Zander

Sean Edward Lewis as Son Cy

Brian Brehm as Son Drew

Blake Brehm as Son Paul

Adam Wade McLaughlin as Jerome

Matthew Lamb as Raymond

Rheta West as Tammy

Jonah Wharton as Connor

Garrett Richmond as Blake

Zia Anger as Alice

Jack Jones as Young Ralphie

Ben Smith-Petersen as Officer Michael

Mike Alamo as Pawn Shop Owner

Sheila Trasente as Waitress

Barbara Ackerman as Cashier

Mohamed 'Mo' Williams as Ahmet's Buddy

Martha Stansberry as Maternity Nurse

Charles Haislah as Grocery Store Clerk

Emma Galvin as Teenage Girl

Jocelyn Williams as Serenity House Nurse

Sonny Ciarlillo as Santa

Riley Keough as Mother (uncredited)