'Sergio' trivia and fun facts
Documentary
The director Greg Barker has made many documentaries about the US politics like 'Manhunt' or 'The Final Year'. The story in which this film is made was already made by him into a documentary: 'Sergio' for HBO in 2009.
Based on a best-seller
The script for 'Sergio' is based on the book 'Chasing the Flame: Sergio Vieira de Mello and the Fight to Save the World' by Samantha Power. Power won a Pulitzer in 2003. She was a consultant in this film.
Ana de Armas
Ana de Armas was Barker's fist option to play Carolina. Before trying to contact her, another member of the cast, Clemens Schick told him he was friends with her. So, it was Schick the one that show 'Sergio' script to de Armas.