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 Dr. Jeremiah Danvers Guest Star Katie McGrath Lena Luthor Guest Star Ian Gomez Snapper Carr Guest Star Brenda Strong Lillian Luthor Guest Star Teri Hatcher Rhea Guest Star Kevin Sorbo Lar Gand Guest Star Tamzin Merchant Lyra Strayd Guest Star Greg Berlanti Executive Producer Allison Adler Executive Producer Andrew Kreisberg Executive Producer Sarah Schechter Executive Producer Michael A. Allowitz Director Paula Yoo Writer Eric Carrasco Writer