Wow ok I’ll give that a go – thanks!
Just one question; as I have the single-film.php page template, I am displaying the film genre there too as a simple get_field. If I change the film_genre ACF to taxonomy will this part need to be redone?
See the left column on the following page for an example:
https://apexcinemas.andrewcourtney.co.uk/films/no-time-to-die/