The film was originally titled Dreamland. It was renamed shortly before release to avoid confusion with Dreamland (2019) and Un sogno per te (2019).
Sam Worthington was announced originally as part of the cast, but he doesn't appear in the final film.
This is the second time Michelle Rodriguez and Luke Evans have worked together, after co-starring in Fast & Furious 6 (2013).
Gary Oldman and Luke Evans both have played Dracula: Oldman in Dracula di Bram Stoker (1992) and Evans in Dracula Untold (2014).