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 Peter Facinelli Maxwell Lord Guest Star Jenna Dewan Lucy Lane Guest Star Malina Pauli Weissman Young Kara Zor-El Guest Star Laura Benanti Alura Zor-El , Astra Guest Star Eric Steinberg Commander Gor Guest Star Jeannine Cota KONC Newscaster Guest Star Aaron Lustig Cat's Lawyer 1 Guest Star René Ashton Cat's Lawyer 2 Guest Star Chris Vance Non Guest Star Dar Dixon Board Member 1 Guest Star Greg Berlanti Executive Producer Allison Adler Executive Producer Andrew Kreisberg Executive Producer Sarah Schechter Executive Producer Roberto Aguirre-Sacasa Writer Caitlin Parrish Writer Karen Gaviola Director