Idris Elba and 'Stranger Things' <br />Star Caleb McLaughlin to <br />Star in 'Concrete Cowboys' .<br />The film takes inspiration from the <br />Fletcher Street Stables, a 100-year-old black urban <br />horsemanship community in Philadelphia. .<br />McLaughlin will play 15-year-old Cole, <br />who goes to Philadelphia to live with <br />his estranged father (Elba), Harp. .<br />Throughout the course of the film, McLaughlin's <br />character is immersed in the city's surprisingly <br />prominent urban cowboy lifestyle.<br />Others to star in the film <br />include Jharrel Jerome.<br />Lorraine Toussaint and Byron Bowers.<br />Ricky Staub will make his <br />feature directing debut.<br />Production for <br />'Concrete Cowboys' <br />has already begun. .