Katie Cassidy who plays Laurel Lance on "Arrow," is heading to

According to the show's EP Marc Guggenheim, the actress will play the Earth-2 version of Laurel Lance. On Earth-2, Laurel will go by Black Siren, the DC Comics superhero.

ALSO READ:

"The Flash" stars Grant Gustin as Barry Allen/The Flash,Candice Patton as Iris West, Rick Cosnett as Eddie Thawne, Danielle Panabaker as Caitlin Snow, Carlos Valdes as Cisco Ramon, Jesse L. Martin as Detective Joe West, Teddy Sears as Jay Garrick, Keiynan Lonsdale as Wally West, Shantel VanSanten as Patty Spivot,Violett Beane as Jesse Quick, Demore Barnes as Tokamak, and Tony Todd as Zoom.

Arrow stars Stephen Amell as Oliver Queen, Katie Cassidy as Dinah “Laurel” Lance, David Ramsey as John Diggle, Willa Holland as Thea Queen, Emily Bett Rickards as Felicity Smoak, John Barrowman as Malcom Merlyn, with Paul Blackthorne as Detective Lance.

The series has been listed by undefined

Watch a "The Flash" promo clip below.