People of the Revolution and the USSR
- Vittorio Emanuele Orlando Vittorio Emanuele Orlando Italian prime minister who led the country to victory after Caporetto but failed to win its territorial claims at the peace conference
- Giacinto Menotti Serrati Giacinto Menotti Serrati Italian Socialist leader who took his party into the Comintern but refused to expel the reformists, causing the Livorno split of 1921
- Benito Mussolini Benito Mussolini The dictator who turned fascism into state power
- Amadeo Bordiga Amadeo Bordiga The left-communist theorist who rejected parliamentarism and analyzed the USSR as state-capitalist
- Antonio Gramsci Antonio Gramsci The brain a prison was meant to stop: theorist of hegemony
- Palmiro Togliatti Palmiro Togliatti 'Il Migliore': the strategist who led Western Europe's largest communist party for forty years
- Dino Grandi Dino Grandi A Fascist power broker who helped bring down Mussolini
- Luigi Longo Luigi Longo 'Gallo': commander in Spain and the Resistance, PCI secretary-general who endured Cominform self-criticism and succeeded Togliatti
- Galeazzo Ciano Galeazzo Ciano A Fascist diplomat who became a witness to the regime's internal collapse
- Eugenio Reale Eugenio Reale Italian delegate at the Cominform founding who witnessed Stalin's telephone line, later turning from communist to anti-communist critic
- Enrico Berlinguer Enrico Berlinguer Architect of Eurocommunism who led the West's largest non-ruling communist party