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