The godfather of gangster flicks is back—and he’s doubling the trouble. Warner Bros. just dropped the trailer for “The Alto

Robert De Niro is starring as the Mafia boss in a mob drama. Sounds about right. But this time, he’s playing both lead roles: Vito Genovese and Frank Costello. De Niro will double his acting expertise in The Alto Knights, a crime drama inspired by the true story behind Costello and Genovese’s deadly rivalry.

The official trailer for the Barry Levinson-directed film, which arrived Tuesday, shows the Academy Award winner in a dual role, in which he portrays two of New York's most notorious organized crime bosses, Frank Costello and Vito Genovese.