Fernando Ramallo as Tristán

Lucía Jiménez as Lucía

Luis Cuenca as Abuelo

Isabel Otero as Isabelle

Joel Joan as Claudio

Vicky Peña as Madre

Jordi Bosch as Padre

Alma Rosa Castellanos as Marilyn Arena

Muntsa Alcañiz as Tía Carmen

Orestes Gas as Anton

Robert Jeantal as Don Pascual

Eloi Yebra as Félix

Jesús Bonilla as Asistente social

Ramón Barea as Psicólogo

Alicia Hermida as Flora

Fernando Vivanco as Banquero

Isidoro Fernández as Profesor matemáticas

Concha Doñaque as Profesora ciencias

John Hopewell as Profesor inglés

Antoine Duhamel as Profesor música

Janfri Topera as Cop 1

Antonio Manzanares as Cop 2

Alfredo Cerrato as Chico centro menores

Juan Feuerriegel as Tristán niño

Laura Rúa Conde as Lucía niña

Cristina Espinosa as Ciega

Marciano De la Fuente Rodríguez as Cura del cementerio

Luchi López as Enfermera en el nacimiento

Bárbara de Lemus as Enfermera

Salva López as Idiota en el cine

Rosario Martín as Ciriaco

Galia Martínez as Niña comunión

Amalia Rodríguez as Viola player

Guillermo Rodríguez as Cello player

Roberto Almazán as Músico

Darío Paso as Chico colegio

Jonás Trueba as Chico colegio

Adrián Muela as Chico colegio

Daniel Rodriguez as Chico colegio

Olmo León as Chico colegio

Sergio de la Torre as Chico colegio

Santiago Segura as

Mário Rodríguez as Chico colegio

Sergio Anguita as Chico colegio

Farshid Afsharian as Chico colegio

Juan Díaz as Ciego