In this video, we explain what could happen in the second part of the film, 'Wicked.' Wicked (also known as Wicked: Part One) is directed by Jon M. Chu and written by Winnie Holzman and Dana Fox. The film covers the musical's first act and stars Cynthia Erivo as Elphaba Thropp and Ariana Grande-Butera as Galinda Upland.