Jason Momoa
Arthur Curry / Aquaman
Patrick Wilson
King Orm Marius / Ocean Master
Dolph Lundgren
King Nereus
Yahya Abdul-Mateen II
David Kane / Black Manta
Temuera Morrison
Thomas Curry
Michael Beach
Jesse Kane (Manta's Father)
Randall Park
Dr. Stephen Shin
Graham McTavish
King Atlan
Leigh Whannell
Cargo Pilot
Tainui Kirkwood
Young Arthur (3 Years Old)
Tamor Kirkwood
Young Arthur (3 Years Old)
Denzel Quirke
Young Arthur (3 Years Old)
Kaan Guldur
Young Arthur (9 Years Old)
Otis Dhanji
Young Arthur (13 Years Old)
Kekoa Kekumano
Young Arthur (16 Years Old)
Julie Andrews
Karathen (voice)