Del Toros horror Mama May 7, 2009 Guillermo Del Toro Mentoring Muschietti’s Mama Guillermo del Toro is in talks to produce Andy and Barbara Muschietti’s debut film Mama. Based on Muschiettis’ Spanish-language short, the English language remake will centre on two sisters fleeing from a ghostly woman who they believe to be their mother. The Muschietti siblings, who are associated with the Madrid-based production firm Toma Films, are also working on the script for horror movie Mama.