The cast of ITV period drama Downton Abbey may be accustomed to their grand film set.
But now the actors will enjoy a whole new magical experience - when they begin filming in Alnwick Castle, which famously doubled as Hogwarts in the Harry Potter film franchise.
The Grade I listed building in Northumberland will be of limited access to the public until scenes are completed on 8 August.
Currently the residence of the Duke and Duchess of Northumberland, it already attracts around 800,000 visitors a year.
But a filming notice on the venue's website says: 'Please note that various areas of Alnwick Castle will be closed or have limited access on 28 July – 8th August (inclusive), due to the filming of a major ITV period drama.
This Autumn on ITV
A new clip for ITV's new season of dramas has been revealed with a few interesting moments.
No words, no fucking words!!!