Santiago's Theorem Ending Explained: In 1969 Argentine filmmaker Hugo Santiago directed Invasión, his opera prima, written by Jorge Luis Borges and Adolfo Bioy Casares, and later settled in France. Directed by Estanislao Buisel Quintana, this 2016 documentary film stars Hugo Santiago (Himself), alongside Mariano Llinás as Himself, Agustina Llambi Campbell as Herself, Laura Citarella as Herself. With a 8/10 audience rating, the ending has been widely praised.

What Happens at the End of Santiago's Theorem?

In 1969 Argentine filmmaker Hugo Santiago directed Invasión, his opera prima, written by Jorge Luis Borges and Adolfo Bioy Casares, and later settled in France. This film documents his return to Buenos Aires in 2013 to shoot his latest film, Le ciel du centaure.


Estanislao Buisel Quintana's narrative builds toward a resolution centered on Hugo Santiago (Himself)'s journey. This film documents his return to Buenos Aires in 2013 to shoot his latest film, Le ciel du centaure.

How Does Hugo Santiago (Himself)'s Story End?

  • Hugo Santiago: Hugo Santiago's arc reaches a definitive conclusion by the final act, with Estanislao Buisel Quintana delivering a resolution that feels earned after the film's 1h 33m runtime.
  • Mariano Llinás (Himself): Mariano Llinás's role in the climax proves pivotal to how the central conflict resolves.
  • Agustina Llambi Campbell (Herself): Agustina Llambi Campbell's character undergoes a significant shift in the final act.

What Does the Ending of Santiago's Theorem Mean?

Santiago's Theorem concludes with Estanislao Buisel Quintana reinforcing the documentary themes established throughout the film. The final moments with Hugo Santiago leave a lasting impression — the ending is both a resolution and a statement about the story's central questions.