Actor Rosie Day, known for her roles in the TV series Outlander and the film All Roads Lead to Rome, is all set to make her directorial debut with the adaptation of author Giles Paley-Phillips's One Hundred and Fifty-Two Days.

The film has a star cast comprising Roman Griffin-Davis, of Jojo Rabbit fame, Alistair Petrie, of The Night Manager fame, Alice Lowe, of Timestalker fame, Paterson Joseph, of Wonka fame, and Annette Badland, of Ted Lasso fame.

The novel follows the character of BOY, who, while recuperating from pneumonia, discovers that his mother is undergoing treatment for cancer. Recovering in isolation, BOY forms an unexpected connection with a physiotherapist and his capricious grandmother.

The film is co-written by Paley-Phillips and Elizabeth Morris and is expected to go into production on locations in Lincolnshire and Humberside later this year. Speaking about making her directorial debut with the adaptation of this novel, Paley-Phillips called this process "deeply personal." She went on to add, "I am grateful to be collaborating with such an exceptional creative team to bring this story to life."