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 Helen Slater Eliza Danvers 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 Malina Pauli Weissman Young Kara Zor-El Guest Star Dawn Greenidge Pedestrian Woman Guest Star Greg Berlanti Executive Producer Allison Adler Executive Producer, Writer Andrew Kreisberg Executive Producer, Writer Sarah Schechter Executive Producer Robert Rovner Writer Jessica Queller Writer Larry Teng Director