Icíar Bollaín Director Carlos Acosta Self, Executive Producer Santiago Alfonso Pedro Acosta Actor Keyvin Martínez Carlos Acosta - joven Actor Edlison Manuel Olbera Núñez Carlos Acosta - niño Actor Laura de la Uz Maestra Chery Actor Yerlin Pérez María Actor Mario Elias Mario Actor Andrea Doimeadiós Berta Actor César Domínguez Opito Actor Yailene Sierra Profesora 1 Actor Héctor Noas Guía Actor Carlos Enrique Almirante Enrique Actor Paul Laverty Screenwriter Pilar Benito Executive Producer Debs Paterson Executive Producer Andrea Calderwood Producer Juan Gordon Producer Alberto Iglesias Original Music Alex Catalán Cinematographer Nacho Ruiz Capillas Film Editing Mireia Juárez Casting Laia Colet Production Design Celia Ledon Costume Design Jessica Braun Costume Design