Discover the intriguing inside stories of why so many of Britain’s most celebrated stars took roles in the series. See the newly unveiled screen test between Daniel Radcliffe and Evanna Lynch (selected to play Luna out of 15,000 hopefuls!). Go on the set to see firsthand how each of the directors brought unique strengths to the series. Witness the amazing transformations as Daniel, Rupert and Emma grow with their characters over a decade of unprecedented filmmaking. Plus: Never-Before-Seen Screen Tests of Daniel Radcliffe, Rupert Grint and Emma Watson.