Sam Rockwell to voice Jolie's 'One and Only Ivan'

Actor Sam Rockwell has signed on to voice a silverback gorilla, Ivan, in Disney's drama 'The One and Only Ivan'.

Thea Sharrock is directing the live-action/CG hybrid project from a script by Mike White, reports Times of India citing PTI.  

Angelina Jolie is producing and voicing an elephant named Stella while Brooklynn Prince is voicing a baby elephant named Ruby.

The book, revolves around a gorilla named Ivan who lives in a cage in a shopping mall along with the elephant Stella and a stray dog called Bob. Ivan does not remember life before the mall, but when the baby elephant Ruby enters his life, Ivan finds himself taking care of her and working on a plan to take Ruby away from their abusive owner.