He's been working extensively as an actor since 2002. And decided to move to London in 2009, after his performance in a Shakespeare's play for the RSC Complete Works Shakespeare Festival, to continue pursuing his career as an actor overseas. His motivation and passion for the craft, have slowly but steadily garnered him a solid career as an actor with some of the most renowned directors in Brazil (José Eduardo Belmonte, Carolina Jabor) as well as internationally (Jeremy Podeswa, Daniel Sackheim).　　His first on-screen debut was a reoccurring role in the season 6 of 'Game of Thrones' on HBO.　　And then he went to play a role on the first episode of the new upcoming Brazilian broadcaster Rede Globo's prison drama series 'Carcereiros' (Jailers). World premiered at the sophomore 2nd annual edition of MIPTV's MIPDrama Screenings competition in Cannes, which took the Grand Jury prize in the full episode category.　　Onstage Diogo is best known for his performance in 'The Two Gentleman of Verona' at the Royal Shakespeare Company and the Barbican, 'Amazonia' at the Young Vic and 'Two Roses for Richard III' at the RSC and the Roundhouse in UK.