[citation needed] Diaz signed on in 2006 with Pedro Damian, (creator of Clase 406) to be Alexander Von Ferdinand, the main male protagonist for the teen telenovela Lola...Érase una vez, co-starring with Eiza González and Grettell Valdez, which premiered on February 26, 2007 on Canal 5.

[citation needed] From 2010 to 2011 he was the main protagonist alongside Angelique Boyer and Sebastián Rulli in the latest version of the telenovela Teresa, playing the role of Mariano.

[citation needed] In November 2011, Díaz made his debut in American television show in the ABC series Pan Am,[5] playing the role of Miguel.

[citation needed] In 2016, Díaz was cast in the ABC thriller series Quantico in the recurring role of CIA recruit, León Velez.

A religious ceremony was later held in the Episcopal Church in San Miguel de Allende, Mexico on September 5 of the same year.