Jason Momoa
Arthur
Acting
Patrick Wilson
Orm
Acting
Yahya Abdul-Mateen II
Black Manta
Acting
Randall Park
Dr. Shin
Acting
Amber Heard
Mera
Acting
Nicole Kidman
Atlanna
Acting
Dolph Lundgren
King Nereus
Acting
Temuera Morrison
Tom
Acting
Indya Moore
Karshon
Acting
Pilou Asbæk
Kordax
Acting
Jani Zhao
Stingray
Acting
Vincent Regan
Atlan
Acting
Martin Short
Kingfish (voice)
Acting
John Rhys-Davies
Brine King (voice)
Acting
Natalia Safran
Council Lady
Acting
Samuel Gosrani
Mercenary Tech
Acting
Jay Rincon
Scientist #1
Acting
Sohm Kapila
Reporter
Acting
Ricardo Molina
Reporter
Acting
Ingrid Bisu
Pier Waitress
Acting
Grant Huggair
Surface Dweller
Acting
Osian Roberts
Atlantean Fighter Pilot #2
Acting
Jonny Vaughton
Atlantean Fighter Pilot #1
Acting
Jay McDonald
Ocean Freighter Captain
Acting
Jonathan Bremner
Octobot Mercenary #1
Acting
Jack Waldouck
Octobot Mercenary #2
Acting
Tyler Burger
Junior Baby
Acting
Maddox Cruz-Porter
Junior Baby
Acting
River Ao Moemoeā Green
Junior Baby
Acting
Nikau Keats Green
Junior Baby
Acting
Bodhi McCabe
Junior Baby
Acting
Elliot Oben-Perpa
Junior Baby
Acting
Lucian Oben-Perpa
Junior Baby
Acting
Arthur Rowe-Mayer
Junior Baby
Acting
Noah Rowe-Mayer
Junior Baby
Acting
Julie Chang
Reporter
Acting
Mark Kwak
Reporter
Acting
Dylan Silver
Reporter
Acting
Jon Birkbeck
Orm Suit Performer
Acting
Michael Beach
Jesse Kane (archive footage) (uncredited)
Acting
Michael Oladele
Marine Warrior (uncredited)
Acting