This isn’t really a movie review, but rather a more specific look at Project Hail Mary, which I will start off by saying I highly recommend seeing, especially in IMAX if you get the chance, because while it is still early in the year, it is already one of my favourites, and will be a tough act to top in the coming months. It might just end up being my favourite movie of 2026. It’s a unique film for me because I read the book mere weeks before it came out—hence this specific examination.
I haven’t read an anticipated film’s novel source material prior to release since Dune in 2021, and I’ve never experienced seeing scenes from a book play out on screen nearly exactly how I had pictured them as I read them until now. This isn’t going to be strictly a compare and contrast between the book and the movie adaptation, either. I would call Project Hail Mary an extremely faithful adaptation, with some elements simplified, diminished, or skimmed over, but nothing major lost from page to screen. I’m going to use some shorthand from this point on. If I’m talking about Project Hail Mary the film, it’s PHM: F. If it’s Project Hail Mary the book, it’s PHM: B. If it’s the book version of the protagonist I’ll say Book Grace, and if it’s Ryan Gosling, I’ll say Movie Grace.
A microscopic alien organism called Astrophage is depleting the sun, so a project (“What you Americans would call ‘long shot’”) is fast-tracked to send three astronauts to a distant star called Tau Ceti. For some reason, it’s the only nearby star that hasn’t been affected by Astrophage, and when the Hail Mary gets there, schoolteacher Ryland Grace is the only one still alive. “Why is a schoolteacher in space, question?” This is just one of many questions the amnesic Grace has, but a question he answers pretty early on is whether or not we are the only intelligent life forms in the universe. A strange alien from the planet 40 Eridani has also come to solve the Astrophage problem, but instead of a hostile rivalry, the two species work together to save their worlds—and kind of become best friends in the process.
For all its scientific and technical details, the book is not overly complicated, nor is it excessively descriptive. Ryland Grace provides first person present tense narration, and it was clear from the beginning that a charismatic actor was needed for the lead role in order for the film to capture the essence of the narrator and also carry the film for the majority of the runtime. I think Ryan Gosling deserves an Oscar nomination because he is Ryland Grace. He somehow managed to pull off being funny in the exact way that Book Grace is funny while also bringing genuine emotion to key moments and keeping every scene engaging even when it was just him floating around the ship or talking to the screen. He shows his full range as an actor and makes you care about his mission to save humanity. I would be remiss if I didn’t also mention the perfect casting of Sandra Hüller as Eva Stratt: the anchor to the earth parts of the story. It is as if she walked off the page and onto the screen.
I think it’s impressive directors Phil Lord and Christopher Miller, along with screenwriter Drew Goddard (who also adapted author Andy Weir’s first big novel, The Martian, and was nominated for the Oscar for best adapted screenplay), were able to keep the film entirely from Grace’s perspective without having him narrate the film, which is an easy method film adaptations often default to. He records some video logs (mainly in the second act) as a way to capture some of that narration from the book, but there’s an effective balance of him talking to himself, talking to the ship, video logs, and talking to the other most important character, who doesn’t even have a face.
I was curious about how the alien Grace calls Rocky would be realized on screen and how they would handle the communication between the characters, but two key creative decisions around this were significant reasons why the film worked so well for me. Grace translates Rocky’s sounds in what I would call “movie time” (meaning very fast, like probably way too fast—even in the book it comes off as pretty easy for them to learn how to understand each other) and for a time the audience has to read the text of Rocky’s translations with Grace, then Grace cycles through some voice modulations until settling on a voice for Rocky, and by the end we get a few subtitles because Grace and Rocky can understand each other’s languages. It was every version of how I had hypothesized they would adapt this aspect of the book. Rocky was also mainly a practical effect, which looked great and moved quite realistically for how outlandish his design is.
One change which I found curious was to Rocky’s background. In the book, he’s described as an engineer, and in the movie, Grace calls him a mechanic. I’m not sure why this change was made, but in the book it’s clear how he’s able to create everything for Grace without much trouble and why he survived the trip to Tau Ceti while the rest of his crew perished. Speaking of perishing crew members, in the book it’s much clearer why Grace is the sole survivor of the Hail Mary and the details around why he ends up on the ship in the first place also have more clarity. Had I not read it before seeing it, I suspect I would’ve rated PHM: F a little lower, but these missing details didn’t bother me since I already knew them, and nothing is changed, plot-wise.
Some of the specificity around Movie Grace’s doled out memory recall is a little unclear in the later stretches of PHM: F, but I think the important narrative part (without spoiling it) is captured for the emotional impact to hit at the end, which is what matters the most. PHM: B is a lot clearer about what he can and cannot remember, and when specific memories come back to him as the narrative unfolds. I can imagine that was a tough aspect to capture in a visual medium without bogging down the runtime. There weren’t many big changes or additions to PHM: F that I picked up on, but a few details Gosling added in to his performance I appreciated. I don’t recall Book Grace ever casually referring to the ship itself as “Mary” but I like that Movie Grace does this a few times. It reminds me of other famous sci-fi ships like MU/TH/UR in Alien and Hal in 2001: A Space Odyssey. Speaking of those films, PHM: F makes some nice references and tips of its cap to other space films without being too blatant. Some critics have pointed out how unoriginal itis, but even a few of those critics admit it puts a fresh spin on familiar concepts.
I can see how some of PHM: F might seem familiar for those unfamiliar with the source material, but I found the book quite refreshing for how it takes a science-based approach to a doomsday scenario through the eyes of a character who is definitely not someone who considers himself a hero despite his intellect and problem-solving abilities, and couples it with first contact in a way that’s realistically optimistic without it being too cutesy. The hopefulness of the story is very compelling, and the film captures this, but also does something different I didn’t experience in the book: makes space feel fascinating and terrifying at the same time. I didn’t expect to feel total existential dread and genuine emotional turmoil over the same span of time in which a little rock guy makes the whole audience laugh for saying “fist my bump” more than once. The concept for the alien life (not just Rocky but also Astrophage) is highly original. I would now have to consider Rocky one of the all-time greatest cinematic aliens, and that is a significant feat considering all the incredible examples to come before him, but he’s unlike any other alien in any movie I’ve ever seen.
Project Hail Mary models why I love books and movies for different reasons. PHM: B moves at a different pace, handles the amnesia trope pretty effectively, and provides ample detail to make the whole thing feel grounded despite the nature of the plot. PHM: M has a version of Ryland Grace I like slightly more, is well paced despite being over two-and-a-half hours long, and has a far more moving ending (for me) that still ties directly into the source material and maintains the themes from the book. Both are extremely funny, in some similar ways, but also in different ways. Despite both telling the same story, they provide different ways of experiencing that story. This is why I can’t definitively say “the book was better” as is often the cliché spoken of a film adaptation of an enjoyable novel. Both have unique strengths over one another and share many of them as well.
What I would recommend is seeing the movie first, and then if you even remotely enjoyed it, go read the book after. I do not regret reading it so close to seeing the movie for the first time, but I actually do envy those who got to (or will get to) experience the big emotional moments on the big screen without knowing what was coming or how certain events were going to play out. Reading the book will be like getting a written director’s cut that builds on all the details the movie didn’t have time to delve into (or didn’t necessarily need to) in order to tell the story. Conversely, I found the movie rewarding to readers for including subtle hints and details from parts of the book that viewers who haven’t read the book probably wouldn’t notice or pick up on in terms of significance. Despite what my blog may make it seem, I’ve always been even more of a book guy than a movie guy, but when a story like Project Hail Mary brings the two storytelling methods together with such synergy? That, for me, is peak.

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