People of the Revolution and the USSR
- Francisco Largo Caballero Francisco Largo Caballero The UGT worker-leader they called the Spanish Lenin, a prime minister broken between revolution and war
- Julián Besteiro Julián Besteiro PSOE right-wing leader, Speaker of the Cortes; joined Casado's coup, refused exile, and died in Franco's prison
- Manuel Azaña Manuel Azaña The last president of the Republic who embodied the republican cause but crossed into France and resigned when Catalonia fell
- Cipriano de Rivas Cherif Cipriano de Rivas Cherif Theatre director active in Republican diplomacy
- Andreu Nin Andreu Nin The Marxist who linked the Russian and Spanish revolutions, founder of the POUM
- Juan Negrín Juan Negrín The physiologist trained in Leipzig who sent the Republic's gold to Moscow and chose to fight to the end as its last prime minister
- Francisco Franco Francisco Franco The general who turned the rising into victory and ruled Spain for thirty-six years as Caudillo
- Segismundo Casado Segismundo Casado The Republican general who overthrew Negrín to negotiate peace with Franco, and got only unconditional surrender
- Vicente Rojo Vicente Rojo Lluch The Catholic general who defended the Republic
- José Díaz José Díaz From baker to General Secretary: the leader who steered Spanish communism through the Popular Front and Civil War
- Dolores Ibárruri Dolores Ibárruri “¡No pasarán!”: the voice of anti-fascism that refused to let Franco's armies pass
- Joaquín Juliá Maurín Joaquín Maurín A revolutionary who pursued workers' unity across communist divisions
- Cipriano Mera Cipriano Mera Sanz The anarchist IV Army Corps commander who saved Casado's Madrid coup from Communist counter-attack
- Federica Montseny Federica Montseny Spanish anarchist who served in the Republican government
- Juan Modesto Juan Guilloto León A field commander of the defeated Republic
- Juan Pujol García Juan Pujol García The double agent who made fiction a strategic weapon
- Santiago Carrillo Santiago Carrillo The Eurocommunist architect who lit a cigarette at gunpoint
- José Ramón Álvarez Fernández José Ramón Fernández Álvarez Cuban revolutionary commander credited with defeating the 1961 Bay of Pigs landing (Brigade 2506)
- Ángel Viñas Ángel Viñas The Spanish Civil War historian who demolished Francoist myths with archival evidence
- Pío Moa Pío Moa Former Maoist urban guerrilla turned Francoist revisionist historian who reignited Spain's Civil War debates