Melissa Benoist Kara Danvers, Supergirl Actor Calista Flockhart Cat Grant Actor Chyler Leigh Alex Danvers Actor Mehcad Brooks James Olsen Actor David Harewood Hank Henshaw Actor Jeremy Jordan Winslow "Winn" Schott Actor Laura Benanti Alura Zor-El Guest Star Jenna Dewan Lucy Lane Guest Star Chris Vance Non Guest Star Peter Facinelli Maxwell Lord Guest Star Laura Vandervoort Indigo Guest Star Briana Venskus Agent Vasquez Guest Star Glenn Morshower General Sam Lane Guest Star Helen Slater Eliza Danvers Guest Star Eve Torres Maxima Guest Star Cole Michaels Little Boy Guest Star Cheryl Turner Grandmother Guest Star Jennifer Sommerfeld Police Officer Guest Star Carly Nykanen Kelly Guest Star Greg Berlanti Executive Producer Allison Adler Executive Producer Andrew Kreisberg Executive Producer Sarah Schechter Executive Producer Yahlin Chang Writer Caitlin Parrish Writer Adam Kane Director