Sir Kenneth Branagh had one of the most "daft nights" of his life when he hit a hotel bar with the Harry Potter cast.
The actor joined the franchise playing Gilderoy Lockhart in second movie, Harry Potter and the Chamber of Secrets, and he's revealed he enjoyed spending time with veteran stars including Richard Harris, Alan Rickman and Dame Maggie Smith - and he'll always remember one particular night when the acting greats started drinking together and sharing stories.
