Allison Williams and McKenna Grace in ‘Regretting You.’ Courtesy of IMDb.com and Paramount Pictures. On October 25, I had the pleasure of watching ‘ Regretting You ’, based on the book by ' It Ends with Us ' author Colleen Hoover . Screenwriter Susan McMartin wrote it well with dialogue that described real-life grief situations, and there was great acting from Allison Williams , McKenna Grace , Dave Franco and Mason Thames . Williams played Morgan Grant, the mother of Clara, played by McKenna Grace. Morgan’s husband Chris, played by Scott Eastwood, and sister Jenny, played by Willa Fitzgerald, both die in a car crash, rocking Morgan, Clara, and Jenny’s husband Jonah, played by Dave Franco, to their cores. On the side, Clara is trying to gain independence from her controlling mother and figure out her plans for after high school and her romance with classmate Miller Adams, played by Mason Thames. The writing for ‘Regretting You’ should be praised because it reflected real-li...