Batman / Bruce Wayne
Superman / Clark Kent / Kal-El
Lois Lane
Wonder Woman / Diana Prince
The Flash / Barry Allen
Aquaman / Arthur Curry
Cyborg / Victor Stone
Alfred Pennyworth
Martha Kent
Queen Hippolyta
Commissioner James Gordon
Steppenwolf (voice)
Mera
Silas Stone
Menalippe
Mayor
Ares
Zeus
Ancient Atlantean King
Singing Icelandic Woman
Young Icelandic Woman
Black Clad Alpha
Black Clad Beta
Old Bailey Judge
Old Bailey Clerk
School Teacher
School Girl
School Girl's Friend
German Archaeologist
MP Guard
Detective Crispus Allen
New Reporter at Isle of Crete
Ancient King of Men
Icelandic Child (Girl)
Old Bailey Lawyer
Old Bailey Hostage
School Chaperone
Venelia
Penthiselea
Trigona
Philippus
Euboea
Officer Ben Sadowsky
Homeless Man
Howard the Janitor
Welsh Tavern Barkeep
Central City Prison Guard
Louvre Conservationist
Star Labs Scientist
Star Labs Cleaning Staff
Artemis
Furious Young Man
Veteran Cop
Grocer
Female Cop
Bruiser
Local Anchor
Janitor's Wife
Garret Bowman
Prison Guard
Bald Inmate
Russian Son
Russian Daughter
Russian Father
Russian Mother
Art Thief
Cop
Guard
Amazon Cavalry General
Air Force Security
Creature Vocals (voice)
Burglar (uncredited)
Paramedic Gotham City Hospital (uncredited)
Henry Allen (uncredited)
Epione (uncredited)
Lex Luthor (uncredited)
Slade Wilson / Deathstroke (uncredited)
Ancient Warrior (uncredited)
Antiope (uncredited)
News Reporter
Boot Camp Instructor (uncredited)