Arrow: Katie Cassidy to Return as Series Regular for Season 6, Playing [Spoiler]

Arrow has targeted original cast member Katie Cassidy for another encore -- but this time as a series regular, for Season 6. Cassidy will in fact return to the CW series in the final two episodes of this season, playing dearly departed Laurel Lance’s Earth-Two doppelgänger, the metahuman Black Siren, then continue in the same role […]