It looks like the Forbidden Forest is no longer forbidden…
James, Oliver and Warwick were seen grabbing a butterbeer at the event while Evanna stood at the gates, with a lantern to anyone who was brave enough to go inside.
Just a couple of weeks before, Evanna, James and Oliver joined Jason Isaacs for the preview event where they also welcomed a hippogriff.
The Forbidden Forest leg of London’s Warner Bros Studio Tour opens on March 31st.
Check out all the pics inside!