Taylor and Nicholas as Alex and Henry, respectively, since they were announced in the roles.Director Matthew Lopez actually revealed this to us himself: "First and foremost, it was about Alex and Henry for me, and inevitably there were going to be things left out.
If it's not about Alex and Henry, it doesn't belong in the film".Note: This post contains MAJOR spoilers for the movie, so if you haven't seen it yet, maybe bookmark this and come back!June, or as Alex affectionately refers to her, Bug, is Alex's older sister in the novel.
She acts as a constant confidante and best friend to him, and also has a lot of interaction with Henry and her mother, the President.
I'm personally gutted that's she been removed from the story, as she was a really great character who helps Alex when he's questioning his sexuality, and is there for him during his confusing relationship with Henry.