Filmed on location in Co. Wicklow, Ireland. Co Dublin, Ireland. London, England.
Intended for a theatrical release during Easter 2020, this had to be abandoned due to the Covid-19 crisis forcing the temporary shutting down of cinemas. This film was instead straight to streaming.
During the closing credits, the woman getting her book signed is Jacqueline Wilson, the writer of the book.
This wasn't the first time Michael Caine and Ashley Aufderheide were in a movie together. They both had parts in "Going in Style" (2017).
When in the mansion looking at the exhibits, the Sankara stones from Indiana Jones and the Temple of Doom (1984) are seen.