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)
No reviews for Grumpy Cat's Worst Christmas Ever