Netflix’sThe Eternautis based on one of the greatest Argentinian graphic novels ever written, and it has a fittingly talented cast to adapt the story to television.The Eternaut, orEl Eternautain its original Spanish, is an adaptation of a graphic novel by the same name, written by Héctor Germán Oesterheld. With just six episodes,The Eternautis a wonderfullybingeable sci-fi show, and one of thebest new shows on Netflix. With world-renowned subject material, it’s no wonder that Netflix’s adaptation turned out well.
Even with the best source in the world, however, an adaptation is only as good as the people bringing it to life. Luckily,The Eternautfeatures several renowned actors from Argentina, Uruguay, and other Spanish-speaking countries who are uniquely suited to the task. From telenovella heartthrobs-turned acclaimed dramatic actors to up-and-coming young stars,The Eternauthas plenty of talent. Its star-studded cast and eerie, supernatural post-apocalypse,The Eternautcould easily become one of thebest shows on Netflixin general.
Ricardo Darín as Juan Salvo
Date of Birth: June 27, 2025
Actor: Ricardo Darín was born in Buenos Aires, Argentina.Darín’s breakthrough role came in 2000, when he starred inNine Queens, an Argentinian heist movie. WhileNine Queensdid cement Darín as a star, he’s had a very long history with Argentinian cinema and television. Earlier in his career, Darín was a telenovella heartthrob, though he has turned to more serious acting in recent decades. He’s also gained more international fame in recent years, particularly in Spain.
Argentina, 1985
Julio César Strassera
Character: Ricardo Darín plays Juan Salvo inThe Eternaut. Juan is the protagonist of both the show and the comics, and his search for his daughter, Clara, serves as the story’s main emotional plot and motivation. Darín has described Juan as “an ordinary man wrapped in an extraordinary situation,” (viaLa Voz).
Carla Peterson As Elena
Date of Birth: August 18, 2025
Actor: Carla Peterson was born in Córdoba, Argentina. Within Argentina,Peterson had her breakthrough role quite early: she starred in over 400 episodes of the telenovella Montaña Rusa (Rollercoaster in English) as Maria beginning in 1994. Peterson would continue to appear in popular and long-running telenovellas throughout her career, such asSon Amores,Sos Mi Vida, andLos Exitosos Pells.
Son Amores
Brigitte
Character: Carla Peterson plays Elena inThe Eternaut. Elena is the ex-wife of Juan Salvo and the mother of Clara. Despite being divorced, Elena joins Juan’s search for Clara after the snowfall. That’s actually a bit of a deviation from the original comics, as Juan was also searching for Elena alongside his daughter.
César Troncoso As Alfredo Favalli
Date of Birth: June 29, 2025
Actor: César Troncoso was born in Montevideo, Uruguay.Troncoso had his breakthrough role in 2007 withThe Pope’s Toilet, where he played Beto. Interestingly, Troncoso only began his acting career at age 40: he worked as an accountant until he quit to pursue his acting dreams. Troncoso has acted in a variety of genres, from comedies likeClandestine Childhoodto dramas likeZanahoria.
Clandestine Childhood
Daniel/Horatio
Character: César Troncoso plays Alfredo Favalli inThe Eternaut. In Troncoso’s own words, “Favalli is the best friend of Juan Salvo and a kind of squire for him,” (viaLa Voz). Alfredo joins Juan on his quest to save Clara from the snowfall and survive as part of his group.
Mora Fisz As Clara Salvo
Date of Birth: Unknown
Actor: Mora Fisz is both an actor and a musician.Fisz had her breakthrough role inTierra Incógnita, which was only her second acting credit. As a musician, Fisz has released six singles and a full length album, “SINESTISIA,” and garnered nearly 10,000 monthly listeners onSpotify.
El fin del Amor
The Eternaut
Clara Salvo
Character: Mora Fisz plays Clara Salvo inThe Eternaut. Clara is the daughter of Juan Salvo and Elena, and she was on a boat with her friends when the snowfall began. Clara is the driving motivation behind Juan’s journey, so though she doesn’t appear much inThe Eternautitself, her presence is very important.
The Eternaut Supporting Cast & Characters
Andrea Pietra as Ana Favalli: Andrea Pietra plays Ana Favalli inThe Eternaut. Ana is Alfredo’s wife and a family friend of the Salvos. Pietra is known for TV series likeSon de FierroandSocias.
Marcello Subioto as Lucas: Marcello Subioto plays Lucas inThe Eternaut. Lucas is another of Juan’s friends who joins his group after the snowfall. Subioto is known for movies likeCiegosandIncident Light.
Claudio Martínez Bell as Polsky: Claudio Martinez Bell plays Polsky inThe Eternaut. Polsky is another survivor and friend of Juan Salvo. Martinez Bell is known for movies likeRojoandEl Agronomo.
