<Tr> <Td_colspan="2"> Official site </Td> </Tr> <P> Harry Potter and the Cursed Child is a two - part stage play written by Jack Thorne based on an original new story by Thorne, J.K. Rowling and John Tiffany . Previews of the play began at the Palace Theatre, London on 7 June 2016, and it officially premiered on 30 July 2016 . </P> <P> The play will open at Broadway on April 22, 2018, at the Lyric Theatre in New York . Its cast will be similar to that of the first year on West - End, with actors including Sam Clemmett, Jamie Parker, Anthony Boyle, Noma Dumezweni and Paul Thornley . </P> <P> The rehearsal script, which was not a novelisation of the play, was published . </P>

When is harry potter and the cursed child releasing