THE CASTING:
David Mazouz and Victor Webster as Batman/Bruce Wayne
Tyler Hoechlin as Superman/Clark Kent
Melissa Benoist as Supergirl/Kara Danvers
Jennifer Carpenter as Lois Lane
Sean Pertwee and Ian Abercrombie as Alfred Pennyword
Michael Rosenbaum as Lex Luthor
Amanda Peet as Mercy Graves
Kevin Dunn as Perry White
Mehcad Brooks as Jimmy Olsen
JUSTICE LEAGUE CAMEOS:
David Harewood as Dr. Hank Henshaw/J'onn J'onzz (replacing Cyborg)
Grant Gustin as The Flash/Barry Allen
Stephen Amell as Green Arrow/Oliver Queen
Tanit Phoenix as Wonder Woman/Diana Prince
NOTABLE CAMEOS:
Ben McKezie and Bryan Cranston as Commissioner James Gordon
Robin Lord Taylor and David Suchett as The Penguin/Oswald Cobblepot
Cole Vallis and Michael C. Hall as Hush/Tommy Elliot
Chyler Leight as Agent Alex Danvers
Jenna Dewan Tatum as Lucy Lane
Glenn Morshower as General Sam Lane
Jeremy Jordan as Winn Schott Jr.
Calista Flockhart as Cat Grant