<P> The series was mainly produced by David Heyman, and stars Daniel Radcliffe, Rupert Grint, and Emma Watson as the three leading characters: Harry Potter, Ron Weasley, and Hermione Granger . Four directors worked on the series: Chris Columbus, Alfonso Cuarón, Mike Newell, and David Yates . Michael Goldenberg wrote the screenplay for Harry Potter and the Order of the Phoenix (2007), while the remaining films had their screenplays written by Steve Kloves . Production took place over ten years, with the main story arc following Harry Potter's quest to overcome his arch - enemy Lord Voldemort . </P> <P> Harry Potter and the Deathly Hallows, the seventh and final novel in the series, was adapted into two feature - length parts . Part 1 was released in November 2010, and Part 2 was released in July 2011 . </P> <P> Six of the series' eight films are among the 50 highest - grossing films of all time, with Harry Potter and the Deathly Hallows--Part 2, the highest - grossing film in the series and one of 31 films to gross over $1 billion, ranking at number eight . Without inflation adjustment, it is the second highest - grossing film series with $7.7 billion in worldwide receipts . </P> <P> Late in 1997, film producer David Heyman's London offices received a copy of the first book in what would become Rowling's series of seven Harry Potter novels . The book, Harry Potter and the Philosopher's Stone, was relegated to a low - priority bookshelf, where it was discovered by a secretary who read it and gave it to Heyman with a positive review . Consequently, Heyman, who had originally disliked "the rubbish title", read the book himself . Highly impressed by Rowling's work, he began the process that led to one of the most successful cinematic franchises of all time . </P>

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