The Love Hypothesis Movie cast, release date and plot details announced

Amazon MGM Studios and MRC are developing a film adaptation of Ali Hazelwood's bestselling debut novel "The Love Hypothesis." The book, originally created as fanfiction for Star Wars characters Rey and Kylo Ren, will be adapted for theatrical release.

Lili Reinhart, known for her role in "Riverdale," serves as executive producer alongside Hazelwood. Elizabeth Cantillon produces the project, with Claire Scanlon directing from a screenplay by Sarah Rothschild.

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"Elizabeth Cantillon, Claire Scanlon, and Lili Reinhart have all created, produced, or starred in works that I'm absolutely feral about, and I am beyond honored that they're choosing to bring their talent to this project," Hazelwood said in a statement to Deadline. "Books and films are very different media, and I have complete trust in this brilliant team. I cannot wait to see the final product they'll come up with. I hope they have as much fun filming as I had while writing the book."

The Love Hypothesis cast features Lili Reinhart and Tom Bateman

Lili Reinhart stars as Olive Smith

Lili Reinhart portrays Ph.D. candidate Olive Smith while simultaneously serving as executive producer. The actress, best known for playing Betty Cooper in "Riverdale," has upcoming projects including "Hal & Harper," "American Sweatshop," "The Very Best People," "Forbidden Fruits," and "Ali & Anthony Garland's Fake Wedding."

Tom Bateman plays Professor Dr. Adam Carlsen

British actor Tom Bateman stars as Professor Dr. Adam Carlsen opposite Reinhart. Bateman's previous credits include "Da Vinci's Demons," "Murder on the Orient Express," and "Death on the Nile."

Supporting cast members join The Love Hypothesis

Rachel Marsh, who recently appeared in FX's "Adults," portrays Anh, Olive's best friend. Marsh is scheduled to appear in Apple's "The Morning Show" and Prime Video's "Fallout."

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Nicholas Duvernay, featured in "The White Lotus" season 3, plays Jeremy, Olive's ex-boyfriend in the story.

Comedian Jaboukie Young-White joins as Malcolm, Olive's roommate. Young-White previously collaborated with director Claire Scanlon on the romantic comedy "Set It Up" and will appear in "The Threesome" alongside Zoey Deutch.

Arty Froushan portrays Tom, assumed to be based on Dr. Tom Benton from the novel. Froushan's credits include "Daredevil: Born Again," "Downton Abbey," and "SOULM8TE."

The Love Hypothesis release date not yet announced

The Love Hypothesis film does not currently have an official release date. Production appears underway based on social media posts from cast members.

The Love Hypothesis plot centers on fake dating experiment

The Love Hypothesis follows third-year Ph.D. student Olive Smith and Professor Dr. Adam Carlsen as they enter a fake relationship to test scientific theories about love.

The official synopsis states: "When a fake relationship between scientists meets the irresistible force of attraction, it throws one woman's carefully calculated theories on love into chaos.

As a third-year Ph.D. candidate, Olive Smith doesn't believe in lasting romantic relationships — but her best friend does, and that's what got her into this situation. Convincing Anh that Olive is dating and well on her way to a happily ever after was always going to take more than hand-wavy Jedi mind tricks: Scientists require proof. So, like any self-respecting biologist, Olive panics and kisses the first man she sees.

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That man is none other than Adam Carlsen, a young hotshot professor — and well-known *ss. Which is why Olive is positively floored when Stanford's reigning lab tyrant agrees to keep her charade a secret and be her fake boyfriend. But when a big science conference goes haywire, putting Olive's career on the Bunsen burner, Adam surprises her again with his unyielding support and even more unyielding... six-pack abs.

Suddenly, their little experiment feels dangerously close to combustion. And Olive discovers that the only thing more complicated than a hypothesis on love is putting her own heart under the microscope."

The Love Hypothesis trailer not available during production

No trailer for The Love Hypothesis has been released as production continues. Marketing materials will likely become available closer to the film's completion and release date announcement.