Allison Williams – Morgan Grant
Allison Williams, who is best known for her roles in HBO’s Girls and the movie M3gan, was the first cast member announced for the Regretting You movie. She plays Morgan Grant, one of the film’s two leads.
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Another day, another Colleen Hoover adaptation. Hoover’s 2019 novel, Regretting You, is being adapted into a feature film starring multiple familiar faces.
Regretting You, which is Hoover’s 22nd book, follows Morgan and Clara Grant, a mother and teenage daughter duo who are nothing alike: Morgan, who put her dreams on hold to get married and have Clara at a young age, is determined to prevent her daughter from making the same mistakes she did; while Clara views her mother’s lack of spontaneity as the main difference between the two.
Told in both Morgan and Clara’s perspectives, Regretting You is a story about grief, betrayal, family, and one of Hoover’s only novels to revolve around a mother and daughter instead of a romantic couple (though there’s plenty of your typical CoHo romance too.)

Deadline announced in 2024 a movie adaptation of Regretting You was in the works from Constantin Films. Robert Kulzer, Brunson Green, and Anna Todd (the author behind the After books) are set to produce the film.
The announcement also came days after Hoover’s first book-to-movie adaptation—It Ends With Us—premiered in theaters with Blake Lively, Brandon Sklenar, and Justin Baldoni as the leads. Another of Hoover’s books, Verity, is also in the works for a feature film at Amazon MGM Studios. With the CoHo cinematic universe expanding, check out who’s been announced as part of Regretting You cast so far ahead.
Allison Williams, who is best known for her roles in HBO’s Girls and the movie M3gan, was the first cast member announced for the Regretting You movie. She plays Morgan Grant, one of the film’s two leads.
McKenna Grace plays Regretting You’s second lead, Clara Grant, Morgan’s 16-year-old daughter. Fans will recognize Grace as the younger version of actors like Brie Larson in Captain Marvel and Margot Robbie in I, Tonya. She’s also starred in projects like the Ghostbusters reboot, The Haunting of Hill House, and The Handmaid’s Tale.
Dave Franco was the third cast member announced for the Regretting You movie. He plays Jonah, Morgan’s love interest after the death of her husband and Clara’s father, Chris, who passes away early in the story from a tragic car accident and whose death strains Clara and Morgan’s relationship even more.
Susan McMartin is the screenwriter who will adapt Hoover’s Regretting You from a book to a feature film. McMartin was also the screenwriter for the 2019 movie After based on Anna Todd’s 2014 novel of the same name, and has also served as a screenwriter and producer for shows like The Conners, Mom, and Two and a Half Men. (Todd is also a producer on Regretting You.)
Josh Boone is the director of Regretting You. He also previously directed the 2014 movie The Fault in Our Stars based on John Green’s 2012 novel of the same name, as well as other films like 2012’s Stuck in Love and 2020’s The New Mutants.
Scott Eastwood was cast in Regretting You on March 17. He’s known for The Longest Ride and Wrath of Man.
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