The sterile white walls of the NASA rehabilitation center hummed with an unsettling quiet, a stark contrast to the cacophony of reentry that still echoed in Sam Walker’s ears. Just weeks ago, she was orbiting Earth, a pioneer. Now, strapped to monitors and poked by needles, she was a subject. General William Harris, his face etched with a concern that felt more like suspicion, assured her these tests were routine. But the shadows dancing in the periphery of her vision, the whispers she couldn’t quite decipher, were anything but. Dr. Michelle Aiden, her assigned physician, seemed genuinely caring, yet her eyes held a flicker of unease that mirrored Sam’s own. As Mark, the head of security, patrolled the perimeter, a sense of dread washed over Sam; something followed her home, something alien, and it was already inside the walls of this high-security prison.

The Astronaut Movie Overview
| Title | The Astronaut |
|---|---|
| Release Status | Released |
| Release Date | 2025-09-26 |
| Runtime | 1 hours and 30 minutes |
| Genre | Horror, Science Fiction, Thriller |
| Original Language | En |
| Spoken Language | English |
| Country | United States of America |
| Production Co. | Fuller Media, The Wonder Company, Wild Atlantic Pictures |
The Astronaut Movie Cast
| Name | Character |
|---|---|
| Kate Mara | Sam Walker |
| Laurence Fishburne | General William Harris |
| Gabriel Luna | Mark |
| Ivana Miličević | Dr. Michelle Aiden |
| Macy Gray | Val |
| Reza Diako | Ethan Marshall |
The Astronaut Movie Storyline
Upon returning from a groundbreaking but arduous space mission, astronaut Sam Walker finds herself confined to a secluded, high-security NASA facility, a gilded cage designed for her rehabilitation and rigorous medical evaluations. But the ostensibly peaceful retreat soon descends into a nightmare, as Sam experiences increasingly unsettling phenomena – strange noises, unexplained shadows, and vivid, horrifying visions. Isolated and distrustful of the NASA personnel, particularly after a chilling encounter with Val, a staff member exhibiting bizarre behavior, Sam begins to suspect that she unknowingly brought something sinister back with her from the cosmos. General William Harris, the steely and pragmatic head of the facility, dismisses her fears as post-traumatic stress, while Dr. Michelle Aiden, the lead psychologist, attempts to delve into Sam’s psyche, probing for underlying mental instability. However, when a series of unexplained deaths plague the facility, Sam finds an unlikely ally in Mark, a maintenance worker who noticed the unsettling occurrences, who uncovers a hidden lab within the facility, revealing NASA’s secret attempts to weaponize the extraterrestrial entity Sam unwittingly carried back. As the entity’s influence grows, threatening to consume everyone within the facility and potentially Earth itself, Sam must confront not only the alien presence but also the horrifying truth about NASA’s agenda and what they really sent her to space to find.
The Astronaut Movie Details
In “The Astronaut,” a chilling sci-fi thriller, astronaut Sam Walker, portrayed by Kate Mara, returns from her maiden voyage to space, only to find herself isolated in a high-security NASA facility. What starts as a standard quarantine and medical evaluation soon descends into a terrifying ordeal, as Sam begins to experience unsettling phenomena within the seemingly sterile confines of the rehabilitation center. As strange occurrences intensify, she suspects that something otherworldly has hitched a ride back to Earth with her. Her fears escalate as she questions her sanity, battling against the possibility that the isolation is playing tricks on her mind or that she is facing a threat far beyond human comprehension. General William Harris, played by Laurence Fishburne, oversees the mission and subsequent quarantine, grappling with the implications of Sam’s claims and the potential danger to humanity. As Sam desperately seeks answers, she finds an ally in Mark, brought to life by Gabriel Luna, a member of the NASA support staff who becomes increasingly convinced that something sinister is at play. Dr. Michelle Aiden, portrayed by Ivana Milicevic, is tasked with assessing Sam’s psychological state, struggling to discern whether her patient is suffering from post-traumatic stress or genuinely facing an extraterrestrial presence. Val, played by Macy Gray, adds another layer to the mystery with her own peculiar observations and intuitions within the facility. As the line between reality and hallucination blurs, Sam and her unlikely allies must race against time to uncover the truth before the unseen entity escapes the facility and wreaks havoc on the world.
The Astronaut Movie Poster Images
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Movie Trailers
Official Trailer
The Astronaut Movie FAQs
What is the movie “The Astronaut” about?
The Astronaut follows astronaut Sam Walker after her first space mission. She is placed in a high-security NASA facility for rehabilitation, but disturbing events lead her to believe something extraterrestrial followed her back to Earth.
What genres does “The Astronaut” fall into?
The movie is classified as Horror, Science Fiction, and Thriller.
Who are the main actors in “The Astronaut”?
The main cast includes Kate Mara, Laurence Fishburne, and Gabriel Luna.
When was “The Astronaut” released?
The release date for “The Astronaut” is September 26, 2025.
What is the runtime of “The Astronaut”?
The movie has a runtime of 90 minutes.
Who directed “The Astronaut”?
Jess Varley directed “The Astronaut”.
What is the tagline for “The Astronaut”?
The tagline is “She didn’t come back to Earth alone.”
Which countries produced “The Astronaut”?
The movie was produced in the United States of America and Ireland.
What is the IMDb ID for “The Astronaut”?
The IMDb ID is tt13964560.