Known for his childhood roles in such films as Where God Left His Shoes and 27 Dresses. He'd go on to star as Raphael Santiago in Freeform's Shadowhunters from 2016 until 2018.
He made his big screen debut in director and writer Todd Solondz's 2004 film Palindromes.
He co-starred with Manny Perez in the 2010 film Forged.
His older sister, Raquel Castro, also had an acting career. He also has a brother named Anthony Castro as well as two other sisters.
Between 2007 and 2009, he shared the screen with John Leguizamo in two films: Where God Left His Shoes and The Ministers.