Television News Paul Blackthorne leaving The CW's 'Arrow' after Season 6 05/03/2018 Paul Blackthorne, who stars as detective Quentin Lance on The CW's "Arrow," is leaving the superhero drama after Season 6. 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: Willa Holland Colton Haynes Stephen Amell David Ramsey Paul Blackthorne Andrew Kreisberg Marc Guggenheim Wendy Mericle Beth Schwartz Arrow