<Li> Noah Jupe as Marcus Abbott, the oldest son of Lee and Evelyn, and Regan and Beau's brother . Krasinski noticed Jupe in the 2016 miniseries The Night Manager and later saw an early screening of the 2017 film Suburbicon to evaluate Jupe's performance . </Li> <Li> Cade Woodward as Beau Abbott, the younger son of Lee and Evelyn . </Li> <P> A Quiet Place is a production of Sunday Night and Platinum Dunes; it was produced on a budget of $17 million . Krasinski wrote the screenplay with story co-writers Scott Beck and Bryan Woods . Beck and Woods grew up together in the US state of Iowa, and had watched numerous silent films in college . By 2013, they began working on the story that would lead to the film . They used their experience growing up close to farmland as the basis, including a grain silo setting as a place considered dangerous in their upbringing . They initiated their approach with a 15 - page proof of concept . Initially, the writers had considered developing the film into a Cloverfield installment, but after pitching their ideas to the studio collectively, all of those involved decided to keep the film its own entity . </P> <P> In January 2016, Beck and Woods began writing A Quiet Place in earnest . Krasinski read their spec script the following July . The concept of parents protecting their children appealed to him, especially as his second child with actress Emily Blunt had just been born . Blunt encouraged him to direct the film . By March 2017, Paramount had bought Beck and Woods's spec script . The studio hired Krasinski to rewrite the script and direct the film, which was his third directorial credit and his first for a major studio . Krasinski cited cinematic influences including Alien (1979), No Country for Old Men (2007), and In the Bedroom (2001) when writing a new draft . Initially, Blunt didn't want to be cast in the film but after reading it on the plane, she immediately told her husband "I need to do it,". He agreed, and they were both cast in the starring roles of the film . </P>

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