As former U.S. president turned special commission investigator George Mullen ( Robert De Niro) delivers a climactic closing speech in the final scene of Netflix's new political thriller Zero Day, it's this admission that gets to the heart of the show's message about the importance of truth in today's world.

The limited series marks Robert De Niro's first leading role on TV. He also executive produces. Zero Day also boasts other big names like Angela Bassett, Lizzy Caplan, and Jesse P

After a six-decade-long career, "Taxi Driver" actor Robert De Niro is starring in his first television series - but he is not convinced he would do it again.