"We were more than fortunate to be part of the last act in her stellar career," Julian Fellowes said in a statement.

Here's what you need to know about the cast. Lisa Wallace is played by India ... a 43 year old Irish actor celebrated for his performances in Downton Abbey and Bohemian Rhapsody.

Hugh Bonneville is busier than ever. Scheduled to appear at the Mostly British Film Festival, the actor will head to Vogue ...

Many Downton Abbey cast members reacted to Smith’s death ... Related: Remembering Maggie Smith's Incredible Life and Career in Photos Paul Giamatti, one of the series’ guest stars expected ...