[1] Millennials was due to hold its first "work in progress" performances in February 2021 as part of MTFestUK.
[2] It was initially scheduled to play to an in-person audience, but was then planned to move online with the rest of the festival due to the coronavirus pandemic.
[4] Casting for the work in progress performances featured Luke Bayer, Allie Daniel, Beth Hinton-Lever, Nathan Lorainey-Dineen, Tim Mahendran, Grace Mouat and Jodie Steele.
[6] The cast featured Luke Bayer, Hiba Elchikhe, Luke Latchman, Hannah Lowther, Rob Madge, and Georgina Onuorah, with Latchman replacing the previously announced Ivano Turco.
[7] [8] The production extended to 4 September 2022 with a new cast featuring Georgina Castle, Lucca Chadwick-Patel, Jarnéia Richard-Noel, Cleve September, Rhys Taylor and Becca Wickes.