Television News 'Grey's Anatomy' star Justin Chambers has left series after sixteen seasons 01/11/2020 "Grey's Anatomy" star Justin Chambers has announced he's left the ABC medical drama after 16 seasons on the show. 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: Chandra Wilson Ellen Pompeo Justin Chambers Grey's Anatomy