Yahya Abdul-Mateen II: Yahya Abdul-Mateen II. Actor: Aquaman. Yahya Abdul-Mateen II is an American actor. He portrayed David Kane, the Black Manta in the DC Extended Universe Aquaman films and Bobby Seale in the Netflix historical legal drama The Trial of the Chicago 7. For his portrayal of Cal Abar in the HBO limited series Watchmen, he won a Primetime Emmy Award for Outstanding Supporting Actor in a Limited Series or Movie. He...