Meryl will star as Streep will play Dee Dee Allen, a two-time Tony victor, while Ariana will play the daughter of the head of the PTA. In need of a new cause to get things back on track, she gets involved when a Midwestern high schooler named Emma is forbidden from bringing her girlfriend to prom.
Kidman, Black Monday's Andrew Rannells and The Late Late Show host James Corden will round out the central quartet of struggling thespians, playing the respective roles of Angie Dickinson, Trent Oliver and Barry Glickman.
Murphy is co-producing the soundtrack with diminutive pop diva Grande and the power manager she shares with Justin Bieber, Scooter Braun.
Murphy will likely start shooting the film this December, while Netflix plans to release it for fall 2020, which will put it smack-dab in the middle of awards season.
The musical premiered on Broadway in October 2018 and with music by Matthew Sklar, lyrics by Chad Beguelin, and a book by Beguelin and Bob Martin. "Awkwafina will play the group's publicist Ms. Sheldon, and Key will play Streep's love interest and Emma's ally, Principal Hawkins".
Per Deadline, the cast of the adaptation - a film Murphy will direct for the streaming service - is starting to come together, and it's nearly surreal how many big names are already in the lineup. Every cast member represented Murphy's first choices, and "each said yes quickly after seeing the Tony-nominated musical with its themes of inclusion and tolerance".
Ryan Murphy is about to embark on his first feature film project under his new deal at Netflix, and in true Ryan Murphy fashion, this will be a major debut.