Stephen King sold the film rights to The Dark Tower for $19.19; this is a significant, recurring number in later books in the series.
The Dark Tower is a series of eight books which span an entire connected universe which links several other books and stories by Stephen King, including Bag of Bones, The Talisman, Black House, The Stand, Everything's Eventual, From a Buick 8, Hearts in Atlantis, Insomnia, The Eyes of the Dragon and 'Salem's Lot, with minor references to It and The Mist.
Daniel Craig, Christian Bale, Viggo Mortensen and Javier Bardem were considered for the lead role before Idris Elba was cast.
Walter O'Dim who held the alias of Randall Flagg, was also the antagonist in the novel "The Eyes Of The Dragon" and "The Stand" by Stephen King.
Based on Stephen King's "Dark Tower" series of novels, which was inspired in part by Robert Browning's poem "Childe Roland to the Dark Tower Came".
The Dark Tower is 600 feet tall, stands in the eastern land known as End World, is surrounded by a field called Can'Ka No Rey, and is held together by six beams that stretch to the corners of the land and are guarded by twelve massive beasts on each end.
When Abbey Lee entered talks to appear as the "female lead" of Tirana, it caused some confusion among fans of the book series, as the character was originally written as a minor villain with little influence on the plot and does not appear until the final book in the series.
According to an introduction by Stephen King in one of his books, "The Good, The Bad and The Ugly" along with the "Lord of the Rings" book series, is the primary influence for his book series: "The Dark Tower".
From Trailer: on the small Desk in Dr. Hotchkiss office is a picture from the Overlook Hotel from Shining.
Early publicity stills reveal Easter eggs for Stephen King fans, including a shop sign for "Barlow and Straker's". Barlow was the vampiric villain in "Salem's Lot", with Straker being his assistant.
Several of Stephen King's other novels are connected to the Dark Tower series, and some of them have been adapted into films. They have all featured actors from the various Star Trek series. The earliest novel with such a connection was Salem's Lot. The first film adaptation featured Julie Cobb, who appeared in the original Star Trek series. The 2003 remake featured Cobb's former husband, James Cromwell, who played the crossover character Father Callahan, and had appeared in First Contact (1996). 'The Stand (1994)(TV)' featured Ray Walston, who appeared on an episode of 'Star Trek: The Next Generation (1987)(TV)'; and Miguel Ferrer, who appeared in Star Trek III: The Search for Spock (1984). Hearts in Atlantis (2001) featured Anton Yelchin, whose final film role was in Star Trek Beyond (2016), opposite Idris Elba.
Nicholas Hamilton plays minor character "Lucas Hanson". Hamilton also starred in Stephen King's IT (2017) as Henry Bowers, who is more of a major character in the IT novel. If you pause the trailer for this movie at the 1:29 mark, you can see ballons and a big sign that reads "Pennywise" who is the clown villian from IT. The Dark Tower novels connect all the characters from Stephen King's other books into the same universe.
Idris Elba appeared the previous year in Star Trek Beyond (2016) opposite the late Anton Yelchin. Yelchin had appeared in Hearts in Atlantis (2001), which was also based on a Stephen King novel with connections to the Dark Tower series: Anthony Hopkins's character appears in the final novel of the series, and notes that Jake Chambers could easily have been a "twinner" for Bobby Garfield. Elba also appeared opposite Hopkins in Thor (2011).
The chime that plays in the first official trailer is the same one that plays in the two pocket watches in 'For a Few Dollars More", the 1965 Spaghetti Western that teams up Clint Eastwood and Lee Van Cleef as two bounty hunters chasing vicious gang. They then starred as antagonists in 'The Good, The Bad, and the Ugly" (1965). Stephen King claims that movie was half the inspiration for 'The Dark Tower'.
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