Television News Benedict Cumberbatch's 'Brexit' to premiere Jan. 19 on HBO 12/24/2018 "Brexit," a TV movie starring "Sherlock" icon Benedict Cumberbatch, will premiere Jan. 19 on HBO. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Benedict Cumberbatch Rory Kinnear Penny Dreadful Sherlock