The film , Wonder stars Julia Roberts , Owen Wilson , Jacob Tremblay , Izabela Vidovic , Mandy Patinkin , and Daveed Diggs .
It is based on the 2012 novel of the same name by R. J. Palacio and stars Julia Roberts , Owen Wilson , Jacob Tremblay , Izabela Vidovic , Mandy Patinkin , and Daveed Diggs .
Wonder -LRB-film-RRB-