She is known for her roles on television, such as Celia Ortega on the CBS daytime soap opera As the World Turns, Jasmine on the ABC Family series The Nine Lives of Chloe King, Gloria Cruz on Lifetime's Army Wives, Teresa on Showtime's Ray Donovan, Dariela Marzan on the CBS series Zoo, and Detective Angela Lopez on the ABC series The Rookie.

[2] Diaz is an actor known for her recurring roles on several series, including Army Wives, Ray Donovan, and the soap opera As The World Turns.

She has made other appearances, guest-starring in television shows including Southland, CSI: NY and Lie to Me.

[4] In 2011, she was cast in the starring role of Jasmine on the ABC Family series The Nine Lives of Chloe King.

[7] In March 2016, Diaz landed the role as Dariela, a series regular, on the CBS drama Zoo for its second season.