After the Smallville ending a new era of superheroes started, new ones and others revealing. Now they must face athe White Martians who will try to destroy the human race.
The League:
Tom Welling as Clark Kent/Superman
Jon Hamm as Bruce Wayne/Batman
Bridget Regan as Diana Prince/Wonder Woman
Alan Ritchson as Arthur Curry/Aquaman
Dustin Milligan as Barry Allen/The Flash (Yeah a soft reboot later explained as Bart was actually from the future).
Nathan Fillion as Hal Jordan/Green Lantern
Phil Morris as Jon Jon'z/ Martian Manhunter
Supporting cast:
Michael Rossenbaum as Lex Luthor
Erica Durance as Lois Lane
Justin Hartley as Oliver Queen/Green Arrow
Milo Ventigmilia as Dick Grayson/Nightwing
Richard Belzer as Alfred Pennyworth
Andre Braugher as Killowog
Amanda Pays as Queen Hyppolita