Supergirl Season 4, Episode 15 : O Brother, Where Art Thou?

About Supergirl Season 4, Episode 15 : O Brother, Where Art Thou?

Lex Luthor reaches out from prison to enlist Lena into one of his plans and will stop at nothing to get her on board, even if that means leveraging the life of one of her friends. Guest Stars: Azie Tesfai, David Ajala, William MacDonald, Byron Brisco, Christina Lewall, Lincoln McGowan, Amos Stern, Andrea Brooks, Jon Cryer, Robert Baker,