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 Tyler Hoechlin Clark Kent, Superman Guest Star Calista Flockhart Cat Grant Guest Star Katie McGrath Lena Luthor Guest Star Brenda Strong Lillian Luthor Guest Star Frederick Schmidt John Corben Guest Star Andrea Brooks Eve Teschmacher Guest Star Greg Berlanti Executive Producer, Writer Allison Adler Executive Producer Andrew Kreisberg Executive Producer, Writer Sarah Schechter Executive Producer Glen Winter Director Jessica Queller Writer