Marks "steals" clothes from his Ugly Betty co-star's, Becki Newton, closet.
In 2008, Mark won an ALMA Award for Outstanding Latin Led Ensemble along with his Ugly Betty castmates Ana Ortiz, America Ferrera and Tony Plana.
Mark was nominated, along with his Ugly Betty castmates for a SAG Award in the category of Outstanding Ensemble in a Comedy Series in 2008.
In 2007 Mark plans to record his second CD with his singing partner.
Mark's music tastes include The Killers, The Red Hot Chilli Peppers and Broadway musicals.
Mark would like to work with Dakota Fanning and Queen Latifah.
Mark would love to do a Broadway musical one day.
Mark loves studying European History and hopes to go to college eventually.
Mark moved to LA with his mother when Ugly Betty was picked up, and his father rejoined the family from Philadelphia a couple of months later.
Mark wants to continue to pursue his career in film and music.
In his spare time Mark enjoys playing video games and spending time at the mall with his friends.
Mark has performed with Clay Aiken in concert.
Mark has performed in a halftime show promoting his CD at the New York Knicks halftime show.
Although Mark plays a Spanish character on Ugly Betty he doesn't know how to speak much Spanish.
Mark has recorded a CD for young children named Little Maestros.
Mark has appeared in a national commercial for Wendys.
Mark appeared in the Academy of Music's production of Evita.
Mark appeared in Fame Forever, which he went to New York to act in after it's opening in Philadelphia.
Mark's first acting appearances were in A Christmas Carol and La Vie En Bleu at Walnut Street Theatre in Philadelphia.
Mark has been trained in acting at The Actor's Centre in Philadelphia and in voice at the Dupree School of Music in New Jersey.
Mark is part Italian and part Puerto Rican.
Mark was born in Philadelphia, but grew up in Neshaminy in Bucks County.
Mark was selected for his school's Honor Chorus in the 4th and 5th grade.
Mark: (About sharing jeans with co-star Becki Newton) I don't really have to buy jeans anymore, because I'm just like, "Becki these are pretty. I really like them." Boom, boom.
Mark: Maybe I didn't know Valentino and Michael Kors, but I knew Coach, Gucci, Versace and Dolce & Gabbana. Fashion means a lot. The way you look is the way people judge you. I don't care what people say, that's the way people are.
Mark: (On his first starring role) It's just so cool to see your face up there. It's my first TV series...I'm just overjoyed.