Helena Bonham Carter is playing by a new code of conduct…

The 48-year-old part-Spanish actress has been cast in Steve McQueen’s HBO drama pilot Codes Of Conduct.

Bonham Carter joins Rebecca Hall, Devon Terrell and Paul Dano in the project — a provocative exploration of a young black man’s experience entering New York high society.

Co-written by McQueen and Matthew Michael Carnahan, Codes Of Conduct centers on Beverly Snow (Terrell), a young man from Queens as talented as he is ambiguous. His self-confidence will enable him to break into the social circles of Manhattan’s elite, testing the boundaries of access and social mobility.

Bonham Carter will portray author and psychiatrist Esther Kaufmann. Born into a prominent Jewish family in Manhattan, the divorced mother of two grown boys is now living life on her own terms – terms that change dramatically though after she crosses paths with the enigmatic Beverly Snow.