Deezer D (1965 – 2021) was an American actor, rapper and Christian motivational speaker. He is best known for his role as Malik McGrath on the TV series ER, and for his roles in the films CB4 and Fear of a Black Hat. Deezer D (1965 – 2021) was an American actor, rapper and Christian motivational speaker. He is best known for his role as Malik McGrath on the TV series ER, and for his roles in the films CB4 and Fear of a Black Hat.