David Leslie Johnson-McGoldrick (né Johnson) is an American screenwriter and producer of film and television. He has written the screenplays for the films Orphan (2009), Wrath of the Titans (2012), The Conjuring 2 (2016) and its sequel The Conjuring: The Devil Made Me Do It (2021), and the DC Extended Universe films Aquaman (2018) and its sequel Aquaman and the Lost Kingdom (2023).

Johnson began writing plays in the second grade and wrote his first screenplay at age nineteen after graduating from Lexington High School in Lexington, Ohio. He attended Ohio State University in Columbus, Ohio, and graduated with a Bachelor of Fine Arts Degree in Photography and Cinema.

Johnson began his career as a production assistant on Frank Darabont's The Shawshank Redemption, which was filmed on location in Johnson's hometown of Mansfield, Ohio, at the historic Mansfield Reformatory, where Johnson's great-grandfather had been a prison guard. Johnson spent the next five years as Darabont's assistant, using the opportunity to hone his craft as a screenwriter. He wrote at least two scripts for the cancelled Return of the Thing, a four-hour sequel miniseries to John Carpenter's 1982 cult classic The Thing. The project was ultimately cancelled for unknown reasons. He would further work with Darabont on his television series The Walking Dead and Mob City.

Johnson has collaborated several times with filmmaker James Wan, contributing entries in The Conjuring franchise, dramatisations of the real-life cases of Ed and Lorraine Warren, paranormal investigators, as well as the DC Comics film Aquaman and its sequel. [3][4] He is also set to write a film adaptation of the board game Mice and Mystics. He wrote a sequel to The Flash as well.

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