Berta Figueroa: Nicolás Carranza’s widow.
Captain/Commissioner-Inspector Benedicto Cuello: Second-in-command to Rodríguez Moreno, Commissioner of the San Martín District Police Department at the time of the execution.
Carlos Lizaso: Works with his father at an auction house. On the night of the José León Suárez execution, he leaves his girlfriend a note that says “If all goes well tonight . . .” Killed on site at twenty-one years old.
Chief Inspector Rodolfo Rodríguez Moreno: Chief of the San Martín District Police Department who obeyed the order from Fernández Suárez to carry out “Operation Massacre.”
Colonel Bonnecarrere: Appointed by the Liberating Revolution to the highest position of State authority in the Province of Buenos Aires.
Colonel Desiderio A. Fernández Suárez: Chief of Police of the Province of Buenos Aires, responsible for ordering the executions at José León Suárez.
Commissioner F. Ferrairone: Replaces Commissioner Gregorio de Paula as commissioner of the Moreno precinct after the José León Suárez execution.
Commissioner Gregorio de Paula: Commissioner of the Moreno precinct at the time of the José León Suárez execution.
Doctor Carlos Chiesa: Police medic at the Moreno precinct.
Eduardo Schaposnik: Socialist representative for the Advisory Board of the Province of Buenos Aires who reports on alleged cases of torture within the justice system.
Enriqueta Muñiz: Walsh’s right hand in the investigation.
Florinda Allende: Francisco Garibotti’s widow.
Francisco Garibotti: Father of six and longtime railroad worker. Killed at thirty-eight years old in the José León Suárez execution.
Horacio di Chiano: Works as an electrician, lives with his wife and daughter, around fifty years old at the time of the José León Suárez execution. He survives and hides in his basement, consumed by fear.
Jorge Doglia, Esq.: Head of the Police Judicial Division at the time of Operation Massacre.
Juan Carlos Livraga: Critically injured survivor of the José León Suárez execution. He was nearly twenty-four years old and a bus driver at the time. Livraga’s formal accusation was published in the newspaper Propósitos.
Juan Carlos Torres: Tenant of the apartment where most of the victims of the José León Suárez executions were gathered on the night of June 9, 1956.
Judge Belisario Hueyo: Judge from La Plata who, aside from Walsh himself, most avidly seeks justice in the case of “Operation Massacre.”
Judge Viglione: Judge for the Province of Buenos Aires who is appointed to adjudicate Walsh’s charges against Police Commissioner Fernández Suárez.
Julio Troxler: Twenty-nine-year-old Peronist and former police officer. He survives the José León Suárez execution and goes into exile in Bolivia.
“Marcelo”: a.k.a. Marcelo Rizzoni, an informant for Walsh in the investigation who never forgives himself for Carlos Lizaso’s death and becomes a terrorist.
Mario Brión: Working man who lives with his wife and son. Killed at thirty-three years old in the José León Suárez execution.
Máximo von Kotsch, Esq.: Lawyer who represented survivors Giunta and Livraga.
Miguel Ángel Giunta: Critically injured survivor of the José León Suárez execution. Works at a shoe shop.
Nicolás Carranza: Father of six, Peronist, and fugitive. Killed in the José León Suárez execution.
Norberto Gavino: Fugitive from the law whose wife was taken hostage on account of his subversive activity. He is around forty years old at the time of the José León Suárez execution. He survives and goes into exile in Bolivia.
Ovidio R. de Bellis: Replaces Rodríguez Moreno as Chief of the San Martín District Police Department
Pedro Livraga: Father of Juan Carlos Livraga.
Reinaldo Benavídez: Around thirty years old at the time of the José León Suárez execution. Survives and goes into exile in Bolivia.
Rogelio Díaz: NCO who served as a sergeant, has retired from the Navy at the time of the José León Suárez execution. He survives.
Señora Pilar: Mr. Horacio’s widow.
Vicente Damián Rodríguez: Dockworker and father of three. Killed at thirty-five years old in the José León Suárez execution.