Justin Hartley
as Arthur Curry/Aquaman
Lou Diamond Phillips
as Tom Curry
Denise Quiñones
as Lt. Rachel Torres
Rick Peters
as Agent Brigman
Ving Rhames
as McCaffery
Adrianne Palicki
as Nadia
Amber McDonald
as Eva
Daniella Deutscher
as Atlanna
Graham Bentz
as Young A.C.
Corey Sevier
as Jesse