Downton Abbey Star Blames 'Naivete' for Regrettable Nude Scene, Says She's Done Taking Her Top Off (NSFW) Neetzan Zimmerman · 03/27/13 03:55PM It was a concern about being typecast that ultimately led Jessica Brown Findlay, AKA Downton Abbey's Lady Sybil Crawley, to exit in dramatic fashion from the popular series midway into the third season.