The Pet Adventures of Lego (film)

The Pet Adventures of Lego is a live action/animated comedy adventure film based on the animated series of the same name.

Plot
Mattie, and her father John buy a pet called Lego. Lego makes friends with other animals on the block. When evil street cats Velcro and Stella work with Mattie's principal to make children into slaves, Lego and his friends must stop them.

Live Action

 * Rowan Blanchard as Mattie
 * Will Ferrell as John
 * Melissa McCarthy as Principal (later former) Natasha Meanypants
 * TBA as Pet Store Owner
 * Bradley Cooper as TBD role

Animated

 * Chris Pratt as Lego
 * Mike Myers as Wag
 * Melissa Rauch as Rose
 * Christopher Lloyd as Velcro
 * Alison Brie as Stella
 * TBA as Hank