Agustín Sierra
Birthday: 9/23/1990
Gender: Male
Place Of Birth: Buenos Aires, Argentina

Agustín Sierra Romera (born September 23, 1990, in Buenos Aires, Federal District, Argentina), also known as Cachete Sierra, is an Argentinian actor, best known for portraying Agustín Maza in popular kids and teenage telenovela Chiquititas, but also roles in Rebelde Way, Floricienta, and Casi Ángeles.