When the BBC canceled the show, an online petition to save it attracted over 40,000 signatures.
The first and second series of Ripper Street employed 5,000 Irish cast, extras and crew and contributed EUR20m in total to the Irish economy.
DI Edmund Reid is based on the real life DI Reid who was in charge of investigating two of Jack the Rippers suspected victims. His real life boss was also Frederick Abberline as per the show.
The first three seasons were filmed entirely in Dublin, Ireland.
The division of the Metropolitan Police setting for this program, H division, was and still is a real division of east London that is today known at HT division. It covers the area of London governed as the London Borough of Tower Hamlets. Leman Street has since relocated and closed its doors to the public, the divisional headquarters now being at Bethnal Green Police Station in Victoria Park Square.