Katie McGrath (born in 1983) is best known for portraying Morgana on
the BBC One series Merlin (2008–2012), Lucy Westenra on the British-American
series Dracula (2013–2014), Sarah Bennett in the first season of the Canadian
horror anthology series Slasher (2016), and currently portrays Lena Luthor, in
the American superhero series Supergirl (2016–present). In film, she starred as
Lady Thelma Furness in the drama film W.E. (2011) and Zara Young in the science
fiction adventure film Jurassic World (2015).
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https://en.wikipedia.org/wiki/Katie_McGrath