Alexander "Alex" Fernandez is an American actor who is known primarily for his work on television, most notably as National Security Advisor Anthony Prado on Commander in Chief, Rafael "Rafi" Alvarez on Without a Trace, Roy Vickers on Dallas, and Pablo Diaz on Devious Maids. He was also a series regular on ABC's short-lived crime drama Killer Women, playing the role of Luis Zea. He also had a small role in Mayans M.C. as Diaz.