Melissa Benoist Kara Danvers, Supergirl Actor Calista Flockhart Cat Grant Actor Chyler Leigh Alex Danvers Actor Mehcad Brooks James Olsen Actor David Harewood Hank Henshaw Actor Jeremy Jordan Winslow "Winn" Schott Actor Peter Facinelli Maxwell Lord Guest Star Jenna Dewan Lucy Lane Guest Star Chris Browning Ben Krull , Reactron Guest Star Jay Jackson Male Newscaster Guest Star Briana Venskus Agent Vasquez Guest Star John Churchill Second Engineer Guest Star Majeed Nami An Engineer Guest Star Pilar Holland Female Newscaster Guest Star Nischelle Turner Morning Talk Show Host Guest Star Nerlyn Jean Waitress Guest Star Joshua Triplett Passenger Guest Star Greg Berlanti Executive Producer Allison Adler Executive Producer Andrew Kreisberg Executive Producer Sarah Schechter Executive Producer Michael Grassi Writer Rachel Shukert Writer Dermott Downs Director