Robert De Niro's new film The Alto Knights is based on a real-life rivalry between two notorious mob bosses, Frank Costello and Vito Genovese.

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.

Robert De Niro is coming back to his mafia charm with The Alto Knights and this time it is the double bonanza, as he will be playing a dual role, Vito Genovese and Frank Costello.

Robert De Niro's upcoming feature film might be set in New York, but it has Cincinnati written all over it. Several scenes from the recently released "The Alto Knights" trailer appear to be filmed at Cincinnati landmarks,

Warner Bros. Pictures dropped the first trailer for The Alto Knights, starring Robert De Niro in his first-ever dual role for a film. De Niro plays both Vito Genovese and Frank Costello, crime bosses who seek to control the streets of New York.