Jaume Balagueró Director Luis Tosar César Actor Marta Etura Clara Actor Alberto San Juan Marcos Actor Petra Martínez Sra. Verónica Actor Iris Almeida Úrsula Actor Amparo Fernández Mujer de la limpieza Actor Roger Morilla Joven de la limpieza Actor Pep Tosar Padre de Úrsula Actor Alberto Marini Screenwriter, Executive Producer Carlos Fernández Executive Producer Julio Fernández Executive Producer Lucas Vidal Original Music Pablo Rosso Cinematographer Guillermo de la Cal Film Editing Cristina Campos Casting Javier Alvariño Production Design Nina Caussa Art Director Nuria Muni Set Decoration Marian Coromina Cinematographer