Based on the 2015 eight issue mini series of graphic novels from Vertigo / DC (Detective Comics).
Amy Manson and Synnove Karlsen play respectively as mother and daughter, but there is only an eleven year difference between the two.
May 2022: The World War Two era London scenes being filmed on Grimsby Docks in North East Lincolnshire, England are the "Kasbah" area scenes.
June 2022: Filming in High Street, Old Town, Kingston upon Hull, Yorkshire, England looks like Victorian era street market scene.