Filming Locations (4)

  • HM Prison Maidstone, Maidstone, Kent, England, UK (HM Prison Slade: exteriors)

  • Ealing Studios London UK (metal walkways/communal area)

  • St Albans Registrary Office formerly the Prison Gatehouse, Hertfordshire, England, UK (HM Prison Slade: gatehouse)

  • London, England, UK