Morocco Omari's mug shot looks worlds away from his gig on "Empire" ... where he's usually the one taking in the suspects.
Morocco -- who plays FBI agent Tariq Cousins on the show -- was arrested and booked last Wednesday in Chicago for misdemeanor domestic battery after he allegedly pushed a woman to the ground several times.
The 24-year-old victim claims she suffered scratches to her neck and chest, which were enough for cops to take him in.
Morocco denies the allegations.