Grumpy Cat's Worst Christmas Ever

Aubrey Plaza

Grumpy Cat / Aubrey Plaza

Megan Charpentier

Chrystal

Daniel Roebuck

George

David James Lewis

Mr. Crabtree

Russell Peters

Santa

Isaac Haig

Donny

Evan Todd

Zack

Shauna Johannesen

Tabby

Casey Manderson

Jesse

Stephen Stanton

Jojo (voice)