Wonder is a 2017 American coming-of-age family comedy drama film directed by Stephen Chbosky, who co-wrote the screenplay with Steven Conrad and Jack Thorne. It is based on the 2012 novel by R. J. Palacio and stars Julia Roberts, Owen Wilson, Jacob Tremblay, Mandy Patinkin, and Daveed Diggs. The film follows a boy named August "Auggie" Pullman with Treacher Collins syndrome as he tries to fit in. The film was released in the United States on November 17, 2017, by Lionsgate.