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 Dean Cain Jeremiah Danvers Guest Star Helen Slater Eliza Danvers Guest Star Brenda Strong Lillian Luthor Guest Star Tamzin Merchant Lyra Strayd Guest Star Greg Berlanti Executive Producer Allison Adler Executive Producer Andrew Kreisberg Executive Producer Sarah Schechter Executive Producer Larry Teng Director Caitlin Parrish Writer Derek Simon Writer