José Sacristán
Miguel de Unamuno (voice)
Marian Álvarez
Researcher (voice)
Víctor Clavijo
General Millán-Astray (voice)
Andrés Gertrúdix
Bartolomé Aragón (voice)
Antonio de la Torre
General Mola (voice)
Miguel Cubero
José María Pemán (voice)
Ramón Mayrata
Father Tusquets / Gen. Gonzalo de Aguilera (voice)
Vicente León
Manuel Azaña / Francisco Maldonado (voice)
Javier Maqua
Francisco Bravo (voice)
Margarita Arnaz
Susana Unamuno (voice)
Helvia Álvarez
Researcher
Miguel de Unamuno Adarraga
Self - Grandson
Miguel de Unamuno
Self - Writer (archive footage)
King Alfonso XIII of Spain
Self (archive footage)
Indalecio Prieto
Self - Politician (archive footage)
Francisco Largo Caballero
Self - Politician (archive footage)
Pedro Rico López
Self - Politician (archive footage)
Niceto Alcalá-Zamora
Self - Politician (archive footage)
Manuel Azaña
Self - Politician (archive footage)
José María Gil-Robles
Self - Politician (archive footage)
Adolf Hitler
Self - Politician (archive footage)
Benito Mussolini
Self - Politician (archive footage)
José Millán-Astray
Self - Military (archive footage)
Francisco Franco
Self - Politician (archive footage)