Sánchez began his career on the TV series El señor Villanueva y su gente, before becoming one of the most beloved human stars of Barrio Sésamo in the 1980s.
While acting in Barrio Sésamo, Sánchez also appeared in a small role as a male nurse in Pedro Almodóvar's 1986 movie Matador.
Sánchez has also appeared as a guest actor on the Spanish TV series Farmacia de guardia and Los ladrones van a la oficina.
Alongside with his wife Vivares and other actors from the series (such as José Riesgo), Sánchez appeared in a stage version of Barrio Sésamo during the late 1980s, touring through Spain.
Sánchez was married to Chelo Vivares, the actress who performed the full-bodied Muppet Espinete on Barrio Sésamo.