Justice League
Henry Cavill as Kal-El/Clark Kent/Superman
Christian Bale as Bruce Wayne/Batman
Jessica Biel as Princess Diana/Diana Prince/Wonder Woman
Ryan Reynolds as Hal Jordan/Green Lantern
Chris Pine as Barry Allen/Flash
Laurence Fishbourne as J'onn J'onzz/John Jones/Martian Manhunter
Ryan McPartlin as Orin/Arthur Curry/Aquaman
Other Heroes
Jensen Ackles as Oliver Queen/Green Arrow
AnnaLynn McCord as Kara Zor-El/Kara Kent/Supergirl
Megan Fox as Zatanna Zatarra
Sam Worthington as Carter Hall/Hawkman
Yvonne Strahovski as Dinah Lance/Black Canary
Supporting Characters
Emily Blunt as Lois Lane
Anton Yelchin as James "Jimmy" Olsen
Tom Berenger as Perry White
Michael Caine as Alfred Pennyworth
Gary Oldman as James Gordon
Morgan Freeman as Lucius Fox
Blake Lively as Carol Ferris
Angela Bassett as Amanda Waller
Taika Waititi as Thomas Kalmaku
Rachel Nichols as Iris West
Bruce Greenwood as Jonathan Kent
Juliane Moore as Martha Kent
Hilary Swank as Maggie Sawyer
Tim Kelleher as Dan Turpin
Mark Harmon as Jor-El
Michelle Pfeiffer as Lara Lor-Van
Villains
Corey Burton as Brainiac (Voice)
Billy Zane as Lex Luthor
Mark Strong as Sinestro
Cillian Murphy as Jonathan Crane/Scarecrow
Leonardo DiCaprio as John Corben/Metallo
James Caviezel as Dru-Zod
Ron Pearlman as Darkseid (CGI and Voice)
Glen Jacobs as Kalibak
Judi Dench as Granny Goodness
Angelina Jolie as Ursa
Matt Morgan as Non
Jason Isaacs as Desaard
Tim Booth as Victor Zsasz
Marrion Cotillard as Selina Kyle/Catwoman
Joseph Gordon-Levitt as Edward Nashton/The Riddler
Deceased Characters
Peter Saarsgard as Hector Hammond (Green Lantern)
Maggie Gyllenhaal as Rachel Dawes (The Dark Knight)
Liam Neeson as Henri Ducard/Ra's al Ghul (Batman Begins)
Aaron Eckhart as Harvey Dent/Two-Face (The Dark Knight)
Temeura Morrison as Abin Sur (Green Lantern)
Tim Robbins as Robert Hammond (Green Lantern)
Unavailable
Heath Ledger as the Joker
Guidelines to making a perfect fan fiction article.