Miguel de Unamuno (voice)
José Sacristán
Researcher (voice)
Marian Álvarez
Researcher
Helvia Álvarez
Self - Grandson
Miguel de Unamuno Adarraga
Self - Writer (archive footage)
Miguel de Unamuno
Self (archive footage)
King Alfonso XIII of Spain
Self - Politician (archive footage)
Indalecio Prieto
Francisco Largo Caballero
Pedro Rico López
Niceto Alcalá-Zamora
Manuel Azaña
José María Gil-Robles
General Millán-Astray (voice)
Víctor Clavijo
Adolf Hitler
Benito Mussolini
Self - Military (archive footage)
José Millán-Astray
Francisco Franco
Bartolomé Aragón (voice)
Andrés Gertrúdix
General Mola (voice)
Antonio de la Torre
José María Pemán (voice)
Miguel Cubero
Father Tusquets / Gen. Gonzalo de Aguilera (voice)
Ramón Mayrata
Manuel Azaña / Francisco Maldonado (voice)
Vicente León
Francisco Bravo (voice)
Javier Maqua
Susana Unamuno (voice)
Margarita Arnaz
Assistant Director
Pablo Ontoria
Foley Artist
Carlos Pérez Valero
Archival Footage Research
Araceli Uzquiano
Gaffer
Iker Criado
Art Direction
Itziar Sagasti
Post Production Supervisor
Paola Botrán
Sound Mixer
Jorge Marín
Assistant Editor
Carmen de Couto
Sound Recordist
Javier Camarasa
Colorist
Cristina Ruiz
Grip
Jon Azcorra
Juan Egoscozabal
Executive Producer
Manuel Menchón
Andrés Luque
Special Effects
Diego Polo
Sound Supervisor
José Tomé
Martín Grignaschi
Graphic Designer
Pedro Lozano
Writer
Director
Editor
Renato Sanjuán
Mario Madueño
Producer
Original Music Composer
Iván Palomares
Sound Designer
Ana Muñoz de Terry
Director of Photography
Javier Calvo
Production Director
Marga Barcoj
Visual Effects Supervisor
Alexey Krivosheev