THE CASTING:
Ezra Miller as Barry Allen/The Flash
Michael C. Hall as Eobard Thawne/Reverse Flash
Kiersey Clemons as Iris West
Ray Fisher as Victor Stone/Cyborg
Jeffrey Dean Morgan as Batman/Thomas Wayne
Henry Cavill as Clark Kent/Superman
Gal Gadot as Diana Prince/Wonder Woman
Jason Momoa as Arthur Curry/Aquaman
Amber Heard as Mera
Chris Pine as Steve Trevor
Patrick Wilson as Orm/Ocean Master
Yahya Abdul-Mateen II as Black Manta
Willem Dafoe as Nuidis Vulko
Lauren Cohan as The Joker/Martha Wayne
Margot Robbie as Jojo/Dr. Harleen Quinzel
Jesse Eisenberg as Lex Luthor
Joe Manganiello as Slade Wilson/Deathstroke
Jon Hamm as Nathaniel Adams/Captain Atom
Ernie Hudson as Det. Joe West
NOTABLE CAMEOS:
Ben Affleck as Batman/Bruce Wayne
Jeremy Irons as Alfred Pennyword
Finn Whitrock as Dick Grayson/Nightwing
Amy Adams as Lois Lane
Rebecca Buller as Jenny Jurwick
Laurence Fishbourne as Perry White
Timothy Olyphant as Leonard Snart/Captain Cold
Vin Diesel as Mick Rory/Heatwave
Jai Courtney as George Harkness/Captain Boomerang
Bryan Cranston as General Sam Lane
James Marsden as Hal Jordan/Green Lantern
Billy Crudup as Henry Allen
Carla Gugino as Nora Allen