Short answers, pulled from the story.
The Harry Potter film series began production in 1997 when producer David Heyman acquired the film rights for £1 million. The rights were sold to Warner Bros. Pictures in 1999 with a strict condition that the principal cast must be British and Irish wherever possible.
Daniel Radcliffe, Emma Watson, and Rupert Grint were selected as the three lead actors during a search that began in 2000 and lasted seven months. Radcliffe was discovered in 2000 while sitting behind producers in a theatre, while Watson and Grint were chosen from thousands of candidates with no prior professional acting experience.
The Harry Potter film series was helmed by four distinct directors including Chris Columbus, Alfonso Cuarón, Mike Newell, and David Yates. The final chapter, Deathly Hallows Part 2, was released on the 15th of July 2011.
Stuart Craig served as the production designer for all eight films and was responsible for creating iconic sets like the Ministry of Magic and the Chamber of Secrets. The Warner Bros. studio tour opened to the public in 2012 to display some of Craig's sets.
The final recording sessions for the Harry Potter film series took place on the 27th of May 2011 at Abbey Road Studios. The London Symphony Orchestra performed the music for the final two films composed by Alexandre Desplat.
The Harry Potter film series generated total worldwide receipts of $7.7 billion and the final film grossed $1.3 billion. The entire film series was relaunched in cinemas in Brazil in November 2021 to celebrate the 20th anniversary of Philosopher's Stone.