Denzel Washington can easily make you believe that you know him. He skilfully uses the familiarity audiences feel with a screen star they have watched for years, and adds to it the casual manner of your neighbour or basketball team-mate.

Truth be told, once he could indeed have lived next-door — back in his youth when alcohol seemed the best medicine for confusion and despair. But now he is one of the most respected and bankable actors of his generation, who has proved that being black in Hollywood is not a casting risk and whose skin colour has become completely irrelevant in his work.

The 47-year-old actor says he will always cherish the roles of black men he has played, such as a runaway slave in the civil war epic “Glory” (1989), a South African activist in “Cry Freedom” (1987) and a controversial Muslim leader in “Malcolm X” (1992)…