Benedict Cumberbatch

Grinch (voice)

Rashida Jones

Donna Lou Who (voice)

Kenan Thompson

Bricklebaum (voice)

Cameron Seely

Cindy Lou Who (voice)

Angela Lansbury

Mayor McGerkle (voice)

Pharrell Williams

Narrator (voice)

Ramone Hamilton

Axl (voice)

Sam Lavagnino

Ozzy (voice)

Scarlett Estevez

Izzy (voice)

Michael Beattie

Store Clerk (voice)