Marrowbone (film) - Wikipedia. Directed by Sergio G. Sánchez. With George MacKay, Anya Taylor-Joy, Charlie Heaton, Mia Goth. A young man and his three younger siblings, who have kept secret the death of their beloved mother in order to remain together, are plagued by a sinister presence in the sprawling manor in which they live, Mar·row·bone (măr′ō-bōn′) n. 1. A bone containing marrow, used especially for flavoring soup. 2. marrowbones Informal The knees. marrowbone (ˈmærəʊˌbəʊn) n. Marrowbone, KY - Marrowbone, Kentucky Map & Directions, Marrowbone - Movie Trailers - iTunes. Marrowbone - Home | Facebook, This is a (relatively) spoiler-free review for Marrowbone, which hits theaters and VOD onApril 13th. Layering twist upon twist, in a way that makes you realize there's not much skin on these (Marrow)bones, Magnolia Pictures' new creepfest - starring George MacKay, Split's Anya Taylor-Joy, and. See the trailer for Marrowbone starring Stranger Things's Charlie Heaton..