EXCLUSIVE: Sierra McCormick (American Horror Stories), Jason Butler Harner (Ozark), Ryan Simpkins (Fear Street trilogy), Dominique Gayle (First Love), Nadezhda Amé (Graceland), Sabina Friedman-Seitz (The Florida Project), Emily Robinson (Eighth Grade), Drew Scheid (Mare of Easttown) and Anthony Del Negro (Lazy Susan) will star in Sour Milk, the first feature from writer-directors Sophia Sabella and Pablo Feldman, which recently wrapped production in the Bay Area.