Katie Cassidy

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In February 2012, Cassidy landed the main cast role of Laurel Lance / Black Canary in The CW's series Arrow, which is based on the Green Arrow comic books. The series premiered on October 10, 2012. Cassidy left the show as a series regular after her character was killed off in episode 18 of the fourth season on April 6, 2016. On May 17, 2016, she guest-starred in the Arrowverse spin-off series The Flash for the second time, but as the metahuman Black Siren, Laurel's Earth-2 doppelgänger, in the second-season episode "Invincible". On July 23, 2016, it was announced that Cassidy had signed a deal with Warner Bros. to appear across multiple CW shows, including Arrow, The Flash, and Legends of Tomorrow. On March 27, 2017, it was announced that Cassidy would return to Arrow as a series regular season 6; reprising the role of Black Siren. She continued in that role for the remaining duration of the show. The season 8 episode "Leap of Faith" marked her directorial debut.