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 Dichen Lachman Veronica Sinclair, Roulette Guest Star Sharon Leal M'gann M'orzz Guest Star Laura Benanti Alura Zor-El Guest Star Katie McGrath Lena Luthor Guest Star Ian Casselberry Quill Guest Star Ian Gomez Snapper Carr Guest Star Greg Berlanti Executive Producer Allison Adler Executive Producer Andrew Kreisberg Executive Producer Sarah Schechter Executive Producer James Marshall Director Paula Yoo Writer Eric Carrasco Writer