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 Briana Venskus Agent Vasquez Guest Star Rich Ceraulo Agent Hartmann Guest Star Scott Michael Campbell Ethan Knox Guest Star Tristin Mays Paulina Guest Star Carly Nykanen Editor Guest Star Jay Jackson Male Newscaster Guest Star Stephanie Czajkowski Security Guard Guest Star Renee Pezzotta Teacher Guest Star Greg Berlanti Executive Producer Allison Adler Executive Producer Andrew Kreisberg Executive Producer Sarah Schechter Executive Producer Yahlin Chang Writer Ted Sullivan Writer Thor Freudenthal Director