Eamon Thomas Hennedy’s review published on Letterboxd:
Tenet is the most Christopher Nolan film you can imagine, doing for time travel what Inception did for dreams and Interstellar did for space travel. There is no doubt that this is a spectacular thriller with incredible action sequences, all accompanied with a LOUD music score from Ludwig Goransson that continues a similar sense of the visceral that Zimmer brought to previous Nolan projects.
There is a danger that Nolan might forget to bring the audience with him; like Inception, Tenet is so committed to its brainy brand of sci-fi and in-depth genre ideas that the screenplay expects you to keep up regardless if you're getting everything or not.
As always, there is a sense that he relies on certain tropes regarding his female characters that threaten to bring the film down a little. Elizabeth Debicki is fantastic but her character is at the mercy of some horrifying domestic violence from Kenneth Branagh's villain and must be saved by the literally named male Protagonist at one pivotal juncture, although the last act does build to her having a final say in certain matters.
Having said that, the filmmaking craft and sense of spectacle are a sight to behold, and fills every inch of the silver screen. Even better, it truly invites repeat viewing, not only in order to truly get its ideas, but also with an ending that suggests that rewatching it will make you view certain scenes in a completely different light.
No doubt it will invite much fevered debate and difference of opinion, but if it works for you (and it did for me) then it'll replay in your mind for a long time after. What cannot be disputed is the lead performance of John David Washington, who walks through the entire thing with considerable movie star charm, simultaneously being incredibly physical in the action sequences and humourous and dramatic in the quieter moments, not to mention sharing some wonderful chemistry with an equally brilliant Robert Pattinson.