- Pedro Insua - Self - Writer
- Fernando García de Cortázar - Self - Historian
- Miguel Ángel Ladero Quesada - Self - Historian
- Carmen Iglesias Cano - Self - RAE Director
- Jaime Contreras Contreras - Self - Historian
- Manuel Lucena Giraldo - Self - Historian
- Adelaida Sagarra Gamazo - Self - Historian
- José María Moreno Martín - Self - Cartographer
- Ana María Carabias Torres - Self - Historian
- Ricardo Andrés Uribe Parra - Self - Historian
- Natalia Denisova - Self - Historian
- Stanley G. Payne - Self - Historian
- Nigel Townson - Self - Historian
- Gijs van der Ham - Self - Rijksmuseum Curator
- Manuel Gómez Lara - Self - Philologist
- Enriqueta Vila Vilar - Self - Historian
- Martín Ríos Saloma - Self - Historian
- Ramón Tamames - Self - Economist
- Blas Sierra de la Calle - Self - Museo Oriental Director
- Juan Carlos Rey - Self - Former EU Ambassador
- Ferran Adrià - Self - Chef
- Alfonso Guerra - Self - Former Politician
- Ignacio Gómez de Liaño - Self - Writer
- Patricio Lons - Self - Journalist
- Juan José Morales - Self - Writer
- Antonio García Abasolo - Self - Historian
- Maarten Larmuseau - Self - Geneticist
- Ricardo García Cárcel - Self - Historian
- Catalina Font - Self - Fund. Casa Serra Secretary
- Carlos Enrique Díaz Urbina - Self - Friar
- Carlos Adrián López Ramos - Self - Friar
- Rafael Sebastián Guillén Vicente - Self - EZLN Leader (archive footage)
- Andrés Manuel López Obrador - Self - Politician (archive footage)
-
José Luis López-Linares
- Elvira Roca Barea
- Javier López-Linares del Campo
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