Christopher Nolan?s ?Dunkirk? pulled in $5.5 million at the Thursday box office. ?Dunkirk? has been pegged by independent trackers for an opening weekend in the range of $30-40 million, with Warner Bros.? projections on the upper end of that range. The film has enjoyed a social media buzz that no other film of its kind has received thanks to an unexpected periphery demographic: One Direction fans.