Leon Preston Robinson IV, usually credited as simply Leon, is an American actor and singer, who began his professional career as a film actor in the early-1980s. Robinson is best known for his roles as David Ruffin in the TV Movie The Temptations, J.T. Matthews in the 1991 Robert Townsend film, The Five Heartbeats, Derice Bannock in the 1993 film, Cool Runnings, and as Shep in the 1994 basketball drama film, Above the Rim.