Jenna Coleman was allowed to read Queen Victoria's diaries as research. Parts of the diaries had been removed upon the Queen's instruction shortly after her death.
Originally made as a mini-series, but after getting so many viewers, ITV made it a regular series and confirmed it for a second season (September 2016).
Tori, the Cavalier King Charles Spaniel on this show, also played Dash in The Young Victoria (2009), starring Emily Blunt.
In season one, Jenna Coleman wore twenty gowns including her scarlet Lydia Wickham travelling outfit from Death Comes to Pemberley (2013).
Daisy Goodwin: The series writer and executive producer appears as Lady Cecilia Buggin, Duchess of Inverness.