In 2008, Fernandez became one of the front-runners to play Edward Cullen after he auditioned for Catherine Hardwicke in her Venice Beach garage, during the casting of Twilight. Fernandez was allegedly Hardwicke's first choice, but it was up to Kristen Stewart who had the last say. Shiloh later recalled on his narrowly missed opportunity, "At the time, it was just another audition. I didn't realize I was missing out on stardom and giant paychecks. Now, looking back on it, I certainly wouldn't have been mentally stable enough to deal with all that. Lucky for me, not getting that part led to other work that was a much better fit for me. " Fernandez, who had no formal training, admitted being bashful around other actors during rehearsals. Having done an array of television shows (CSI: NY, The United States of Tara) including starring in the Gossip Girl episode "Valley Girls" as Owen Campos, alongside Brittany Snow and Krysten Ritter. He eventually landed his first big break playing a troubled small-town Texas rink manager in the 2010 Sundance hit Skateland with Twilight alum Ashley Greene.