A young girl has a tiny puppy named Clifford. Her love for the dog makes it grow to an enormous size. The full cast includes: Sienna Guillory as Untitled, Rosie Perez as Untitled, John Cleese as Untitled, Russell Wong as Mr. Yu, Kenan Thompson as Untitled, David Alan grier as Clifford (voice), Horatio Sanz as Untitled, Karen Lynn gorney as Mrs. McKinley, Jack Whitehall as Uncle Casey, Darby Camp as Emily Elizabeth, Jessica Keenan wynn as Colette, Russell Peters as Malik, Melanie Chandra as Susan, Kevin Mccormick as Head of Security and Yasha Jackson as Actor.