Lena Luthor

Lena Luthor is a fictional businesswoman and a supporting character featured on the CW Network television series Supergirl. Played by actress Katie McGrath, she was introduced in the premiere episode of season two titled, "The Adventures of Supergirl". She made recurring appearances as a guest star throughout the season. With season three, McGrath was bumped up to the main cast line-up. A previous iteration of the character, Lutessa Lena Luthor, appeared on the TV series Smallville and was played by actress Cassidy Freeman. See Tess Mercer for more information about this character.