‘Supergirl’s Katie McGrath Upped to Series Regular for Season 3

Photo Credit: The CW

Supergirl newcomer Katie McGrath will be a contract regular next season on The CW’s superhero drama.

The actress made her debut in the fourth episode of this season as Lena Luthor, sister of the nefarious Lex Luthor, who moves to National City to start anew and rebuild the Luthor name into a force of good. Lena formed a friendship with Kara (Melissa Benoist) and helped Supergirl thwart the machinations of the evil CADMUS, led by someone she’s revealed to have a connection to.

McGrath’s TV credits include Netflix’s Frontier, NBC’s Dracula and BBC’s Merlin.

Supergirl airs Mondays on The CW.

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Ryan White-Nobles is Editor-in-Chief of TV Source Magazine. He's began covering entertainment and soap operas in 2005. In 2009 he co-launched Soap Opera Source, and led the TV Source rebrand in 2012. He's a natural #Heel who loves a spirited debate and probably watches too much TV. Follow him on Twitter at @SourceRyan to discuss all things TV, soaps, sports, wrestling and pop culture.