A Very Sunny Christmas

Charlie Day

— Charlie Kelly

Glenn Howerton

— Dennis Reynolds

Rob Mac

— Ronald "Mac" McDonald

Kaitlin Olson

— Deandra "Sweet Dee" Reynolds

Danny DeVito

— Frank Reynolds

David Huddleston

— Eugene Hamilton

Gregory Scott Cummins

— Luther McDonald

Sandy Martin

— Mrs. McDonald

Lynne Marie Stewart

— Bonnie Kelly

Pablo Schreiber

— Ricky Falcone

Ryan Michelle Bathe

— Woman Office Worker

Mike Beaver

— Man Office Worker

Derek Waters

— Toy Store Clerk

Mark Povinelli

— Tiny

Preston Bailey

— Young Mac

Charlie Carter

— Young Dennis

Harley Graham

— Young Dee

Robbie Tucker

— Young Charlie

Timothy E. Goodwin

— Christmas Dad

Donovan Scott

— Santa Claus in Mall

Karly Rothenberg

— Another Mom

Marc Anthony Samuel

— Raisin #1 (voice)

Gary Anthony Williams

— Snowman (voice) / Raisin #2 (voice)

Michael Yurchak

— Christmas Elf (voice)

Christopher Lloyd

— Santa Claus John #2 (uncredited)