The Eternaut: Cast, Release Date, Photos, Trailer and Plot of Argentina Apocalypse Sci-Fi Series - Netflix Tudum

  • Deep Dive

    Everything You Need to Know About The Eternaut

    The Argentine sci-fi series follows survivors of a devastating toxic snowfall. 

    By Ingrid Ostby
    May 1, 2025

When a rare snow begins falling in Buenos Aires, it kills everything it touches in an instant. Is it nuclear war or something even more sinister? Those that survive suit up in gas masks and layers to stave off death and fight an increasingly violent unseen force that’s trailing their every move. One of the survivors, a man named Juan Salvo, emerges as the leader of the resistance against an imperceptible threat. 

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Based on the eponymous graphic novel by Héctor Germán Oesterheld and Francisco Solano López, the live-action adaptation The Eternaut arrives on Netflix on April 30. The six-episode series was created and directed by Bruno Stagnaro (Okupas) and co-written by Stagnaro and writer-actor Ariel Staltari (Un Gallo para Esculapio).

When will The Eternaut be released?

The Eternaut is now streaming on Netflix. 

Can I watch a trailer for The Eternaut?

Check out the main trailer at the top of this page. There’s something in the air in Buenos Aires, and it just might be apocalyptic. One man (Ricardo Darín) masks up and heads out in search of his daughter — and ends up uncovering some secrets in the snow.

Carla Peterson as Elena, Ricardo Darín as Juan Salvo, and Aron Park as Pablo in ‘The Eternaut’

Who’s in the cast of The Eternaut?

  • Ricardo Darín (Argentina, 1985)
  • Carla Peterson (Blondi)
  • César Troncoso (Yosi, the Regretful Spy)
  • Andrea Pietra (An Unexpected Love)
  • Ariel Staltari (Recurrence)
  • Marcelo Subiotto (Puan)
  • Claudio Martínez Bel (Rojo)
  • Orianna Cárdenas
  • Mora Fisz (Tierra Incógnita)
Key art for ‘The Eternaut’

What happens in The Eternaut?

Buenos Aires has only seen snowfall three times in its recorded history. And yet, snowflakes begin to fall, coating the ground. It’s beautiful, but unnerving. Something is very, very off about this weather: It’s fatal. Anyone touched by the snowflakes is killed instantly, leading to millions of deaths. But what is this lethal threat, and what other horrors will follow? As survivors emerge, a man named Juan Salvo is among them — and he’s determined to fight back against this invisible force. 

From Page to Screen: Watch the Making of The Eternaut (El Eternauta)

Is The Eternaut based on a book?

Yes, it’s based on the Eisner Award–winning graphic novel The Eternaut (El Eternauta) written by Oesterheld and illustrated by Solano López. The comics were published in installments from 1957 to 1959, then published as one volume in 2015.

“[The Eternaut] was one of the first things I read in full in my life, when I was 10 years old,” Stagnaro told Netflix about the novel, one that holds cultural significance across Argentina. “My approach to the adaptation will be to be faithful to that child reader who came across the story for the first time, to try to reconstruct the genuine emotion of living an adventure on the corner of your neighborhood, and the construction of that great Argentine hero that is Juan Salvo.”

Learn more about the process of adapting the novel in the featurette above. 

Marcelo Subiotto and César Troncoso in ‘The Eternaut’

Where does The Eternaut take place? Where was it filmed?

The series takes place in Buenos Aires, where it was also filmed. “The city is another living character,” Stagnaro said in a new featurette about the process of transforming the vibrant metropolis into an apocalyptic setting. Watch below, as Stagaro, VFX supervisors Igacio Pol and Pablo Accame and the cast explain the technological breakthroughs that made it all possible. 

Building the Apocalypse in The Eternaut

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