Sigrid Nunez has said she is satisfied with the way her book has been brought to life in the film adaptation.
When Iris (Naomi Watts) calls on Walter's (Bill Murray) book publisher, several other books under Sigrid Nunez's name are visible on the publisher's desk.
Sigrid Nunez has said that Apollo, the Great Dane, is a fictional figure in her novel and is not modelled on any real-life dog.
On 21 November 2024 the Beverly Theatre in Las Vegas, Nevada, United States, held an advance screening. Novelist Sigrid Nunez took part in a Q&A and signed copies of her book after the screening.
Sigrid Nunez, the author, has revealed that the producers of the film invited her to appear briefly as one of the dinner-table guests in the opening scene, but she courteously turned down their offer.
Bill Murray and Naomi Watts had co-starred in St Vincent a decade earlier.
