Yahya Abdul-Mateen II Is Rumored to Play a Digital Version of Young Morpheus in The Matrix 4 Yahya Abdul-Mateen II Is Rumored to Play a Digital Version of Young Morpheus in The Matrix 4 A new rumor claims that Yahya Abdul-Mateen II will indeed portray a young version of Morpheus in The Matrix 4, but only in digital form. Aquaman star Yahya Abdul-Mateen II's role in upcoming sci-fi sequel The Matrix 4 has been a tantalizing mystery ever since his involvement was announced. Well, this particular burning question may have now been solved, with sources claiming that the actor will play a young version of Morpheus, Laurence Fishburne's character from the original trilogy who guided Keanu Reeves' Neo to freedom.