The photograph of Harris Shaw and his wife seen on his bedside near the end, is a photo of Sir Michael Caine and his wife Shakira Caine.
Sir Michael Caine has said that this film is likely to be his last film. However, it wasn't, as he has followed it with Medieval (2022) and The Great Escaper (2023).
This film reunites Scott Pilgrim vs. the World (2010) actors Aubrey Plaza and Ellen Wong, who would reprise the voices of their Scott Pilgrim characters two years later in Scott Pilgrim Takes Off (2023).