J. Alphonse Nicholson is an American born actor and percussionist. Notable credits include TV/FILM: Series Regular on "P-Valley" (STARZ),"Just Mercy" (Warner Brothers) "Madam CJ Walker" (Netflix), "Blue Bloods (CBS), "Mr. Robot Season 2" (USA), "Shots Fired" (FOX), "Marvel's Luke Cage" (Netflix), "T...