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 Katie McGrath Lena Luthor Actor Odette Annable Samantha Arias, Reign Actor Adrian Pasdar Morgan Edge Guest Star Brenda Strong Lillian Luthor Guest Star Krys Marshall Julia Freeman Guest Star Greg Berlanti Executive Producer Allison Adler Executive Producer Andrew Kreisberg Executive Producer Sarah Schechter Executive Producer Tawnia McKiernan Director Robert Rovner Writer Cindy Lichtman Writer Alix Sternberg Writer