'Arrow' Star Katie Cassidy Crosses Over to 'The Flash' http://www.buddytv.com/articles/arrow/arrow-star-katie-cassidy-cross-59481.aspx
Katie Cassidy is heading to The Flash but she won't be appearing as the Black Canary. Instead, the Arrow star will appear on the spin-off as Black Siren. The crossover news was confirmed by Arrow executive producer Marc Guggenheim during a press screening on Monday."You will see her on an episode of The Flash playing the Earth-2 version of Laurel Lance," Guggenheim said of Cassidy.Black Siren, who was part of the Justice Society and the mother of Dinah Laurel Lance in the world of DC Comics, will be making her Flash debut on the penultimate episode of season 2, airing May 17.Cassidy, who will also lend her voice to the animated Flash-Arrow spin-off Vixen as Earth-1 Laurel Lance in season 2, has already been spotted filming on the Vancouver set of The Flash on Thursday, March 31.The Flash airs Tuesdays at 8pm ET while Arrow airs Wednesdays at 8pm ET on The CW.