WEBSergio is a 2020 American biographical drama film about the United Nations diplomat Sérgio Vieira de Mello. The film is directed by Greg Barker , from a screenplay written by Craig Borten . It stars Wagner Moura , Ana de Armas , Garret Dillahunt , Clemens Schick , Will Dalton, Bradley Whitford and Brían F. O'Byrne.