One would expect that all of the stars of the movies would have signed contracts to make sure they’d be around for the entire run before the studio would have been willing to announce the five movie plan publicly.
Of course, there’s the distinct possibility that future films may not include everybody who’s appearing in the first one.
At the same time, Eddie Redmayne’s comments at the Entertainment Weekly Popfest are a bit surprising to hear.
It’s not unusual for the cast to not be given details about major franchises.