Playbox Theatre Company, a youth stage group, have cast their Lyra for their production of His Dark Materials: the 15 years old Olivia Meguer will be performing the role. On a smaller scale than the National Theatre's epic production, Playbox are looking to, “rekindle the imagination [with the plays] so the show will use movement, aerial artistry, and some of the finest young actors aged 14-25 to grace the stage,” said director Stewart McGill. Read more. Thanks to Kyra again for spotting this. edit: you can also have a peek at the actor playing Will here.