His mother, Fiona Alexander, died in 1982.
Best friends with Gael García Bernal since childhood.
His favorite movies are Reservoir Dogs (1992) and Pulp Fiction (1994).
His favorite actors are Javier Bardem and Vincent Gallo.
Good friends with Romola Garai.
His father is Mexican. His mother was British, of Scottish and English descent, and was the daughter of Robert Love Alexander and Margaret Elizabeth "Peggy" Spring.
Was born in the same town as Fernanda Romero.
Co-founder of the production company Canana Films [mx] along with childhood friend and fellow actor Gael García Bernal and Mexican producer Pablo Cruz. The company focuses on Mexican - and Latin American-themed features that deal with social justice issues.
Met ex-wife Camila Sodi on the set of The Night Buffalo (2007). They split up in 2013.
Wife, Camila Sodi, gave birth to their first child, a son named Jerónimo, on August 12, 2008. He weighed 8 lbs. 2 oz. and was 22 inches long.
Wife, Camila Sodi, gave birth to their second child, a daughter named Fiona, on July 1, 2010. The baby is named after Diego's mother who passed away when he was two.
Sang with Zoe Saldana on the song "No Matter Where You Are" for the soundtrack for The Book of Life (2014).
Was romantically linked to Olga Segura and Paulina Dávila.
Was in a relationship with Suki Waterhouse (2015-2018).
Has the same date of birth as Justin Roberts.