Melissa Benoist Kara Danvers, Supergirl Actor Chyler Leigh Alex Danvers Actor Mehcad Brooks James Olsen Actor David Harewood Hank Henshaw Actor Jeremy Jordan Winslow "Winn" Schott Actor Chris Wood Mon-El Actor Floriana Lima Maggie Sawyer Actor Terrell Tilford Armek Guest Star Sharon Leal M'gann M'orzz Guest Star Andrea Brooks Eve Teschmacher Guest Star Briana Venskus Agent Vasquez Guest Star Curtis Lum Demos Guest Star Greg Berlanti Executive Producer Allison Adler Executive Producer Andrew Kreisberg Executive Producer Sarah Schechter Executive Producer David McWhirter Director Gabriel Llanas Writer Anna Musky-Goldwyn Writer