[6] He made his feature film debut in Enrique Urbizu's Cachito (1996),[7] followed by small credits in Taxi (1996), Dying of Laughter (1999), and La comunidad (2000), in which he played a real estate agent.

[8] Sancho gained early fame for his portrayal of Nicolás Medina Prieto "Nico" in 516 episodes of the teen drama series Al salir de clase from 1997 to 1999, thereby consolidating his television career.

[citation needed] His work on El Ministerio del Tiempo was delayed as he starred as the lead role in Antena 3's Mar de plástico as Héctor.

[1][13] According to Sancho, previously self-described as a golfo ("rascal"), fatherhood made him a responsible person "all of a sudden".

[13][15] In August 2023, Sancho's son, Daniel Sancho Bronchalo, was indicted in Thailand on charges which included premeditated murder and concealment of a body, relating to the death of Edwin Arrieta Arteaga, a Colombian plastic surgeon, when both were on vacation in the country.