Diego Luna had both personal motivations and more universal ones that drove him to make Ashes , his fifth feature as director. While Luna continues to tackle an array of high-profile fare in front of the camera — starring opposite Jennifer Lopez in last year’s Kiss of the Spider Woman , leading the Emmy-winning Star Wars series Andor and nabbing a role in Disney’s live-action Tangled — he continues to tell more intimate stories through his filmmaking work. Adapting Brenda Navarro’s novel Ceniza en la boca , his latest effort centers on Anna Díaz as Lucila, a 21-year-old woman leaving Mexico for Madrid in search of a better life as she reunites with her mother (Adriana Paz), who moved there years ago. Ahead of Ashes premiering during the Special Screening section at Cannes, Luna tells The Hollywood Reporter about the film resonating with him not only because of the current polarizing debate over immigration but also due to his own family history.…