It is not a secret that Apple leans into being a secretive company. It tries very hard to keep what it's working on close to the vest, aiming for a bit of a surprise every year. However, moving into the TV and film market with Apple TV+, the company had to give up some of that control. It's just the nature of the beast, especially when it comes to future projects and casting news.
Cartoon Saloon, makers of the hit ‘Wolfwalkers’, are working on an ‘epic’ series for Apple TV+