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Supergirl – Season 4, Episode 15: Full Cast & Crew Aired Mar 17, 2019 Drama/Fantasy/Action
Secretly furloughed from prison due to failing health, Lex Luthor visits his sister to seek her help; Lena is suspicious of Lex's motives, but when she's faced with a life and death situation, she must decide how she truly feels about her brother. TV-PG Air Date: Mar 17, 2019 See TV Episode Details

Cast & Crew

All Cast Crew
Melissa Benoist Kara Danvers, Supergirl Actor Chyler Leigh Alex Danvers Actor Mehcad Brooks James Olsen Actor David Harewood Hank Henshaw Actor Katie McGrath Lena Luthor Actor Jesse Rath Querl "Brainy" Dox, Brainiac 5 Actor Nicole Maines Nia Nal, Dreamer Actor April Parker Jones Colonel Lauren Haley Actor Sam Witwer Agent Liberty Actor Jon Cryer Lex Luthor Guest Star David Ajala Manchester Black Guest Star Azie Tesfai Kelly Guest Star Greg Berlanti Executive Producer Allison Adler Executive Producer Andrew Kreisberg Executive Producer Sarah Schechter Executive Producer Tawnia McKiernan Director Derek Simon Writer Nicki Holcomb Writer