Benedict Cumberbatch

The Grinch (voice)

Rashida Jones

Donna 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)