Harry Potter and the Half-Blood Prince (2009) Movie script (Copy) Complete script and has 141 pages Revised Draft August 28th, 2007 Directed by David Yates Screenplay by Steve Kloves Based on Harry Potter and the Half-Blood Prince by J. K. Rowling Harry Potter and the Half-Blood Prince is a 2009 fantasy film directed by David Yates from a screenplay by Steve Kloves, based on the 2005 novel of the same name by J. K. Rowling. It is the sequel to Harry Potter and the Order of the Phoenix (2007) and the sixth instalment in the Harry Potter film series. It stars Daniel Radcliffe as Harry Potter, alongside Rupert Grint and Emma Watson as Harry's best friends Ron Weasley and Hermione Granger respectively. The story follows Harry's sixth year at Hogwarts as he receives a mysterious textbook, falls in love, and attempts to retrieve a memory that holds the key to Lord Voldemort's downfall. Filming began on 24 September 2007, leading to the film's worldwide cinematic release on 15 July 2009. With an estimated budget of $250 million, it is one of the most expensive films ever made and the most expensive film in the Harry Potter film series. Will be packaged and shipped with great care.