According to sources, director Martin Scorsese has put DiCaprio at the top of his list to play Sinatra but insists that the actor must master the legend"s famous tones.
“Leo has hired a top vocal coach to get him sounding like Sinatra. He is a massive fan of the singer and has always wanted to play him," the Sun quoted a source as saying. “He would be sick to miss out on the leading role because his singing wasn"t up to scratch. He is now in intensive vocal coaching lessons to replicate Sinatra"s distinctive style," the source added.