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 Hayley Sales Emily Guest Star Lynda Carter President Marsdin Guest Star Teri Hatcher Rhea Guest Star Kevin Sorbo Lar Gand Guest Star Greg Berlanti Executive Producer Allison Adler Executive Producer Andrew Kreisberg Executive Producer Sarah Schechter Executive Producer Kevin Smith Director Gabriel Llanas Writer Anna Musky-Goldwyn Writer