<Li> Eric Keenleyside as Sheriff Reynolds, the sheriff of Ashland Heights </Li> <P> On March 19, 2011, it was announced that Sierra / Affinity was developing an action thriller film How It Ends based on the 2010 Black List script by Brooks McLaren, and it would be produced by Paul Schiff and Tai Duncan through Paul Schiff Productions . On December 1, 2015, David M. Rosenthal came on board to direct the film, while Sierra Pictures, which developed the project, would also produce the film and fully finance it . On January 4, 2017, Netflix acquired worldwide rights to the film . In June 2017, Theo James, Forest Whitaker, and Kat Graham were cast in the film . In September 2017, Mark O'Brien was cast in the film . </P> <P> Principal photography took place in Winnipeg in August 2017 . </P> <P> The first full - length trailer was released by Netflix on June 22, 2018 . The film was released on July 13, 2018 . </P>

Where was the movie how it ends filmed