Cornell Salmonn John (born 1963) is a British actor who has appeared in various film and television productions since 1999. He is most renowned for his role as Trife's uncle, Curtis, in the films Kidulthood (2006), Adulthood (2008) and Brotherhood in addition to later starring in the BBC soap opera EastEnders as Sam James, during 2013. He is also known for having originated the role of Mufasa in the West End production of the musical The Lion King.