Her roles include Dinah Marler in the CBS soap opera Guiding Light, as Rachel McCabe in Nash Bridges, and as Louisa Archer in The Guardian.
Moniz made her television debut in the CBS daytime soap opera Guiding Light as Dinah Marler.
[2] In the same year, she starred as the female lead in the critically acclaimed television film adaptation of Mitch Albom's book Tuesdays with Morrie.
Moniz guest-starred in an episode of the NBC legal drama Law & Order in 2005, and had a recurring role as Stacey Walker in the ABC short-lived comedy-drama Big Shots in 2007.
In 2010 she was cast as Tom Selleck's love interest in the CBS police drama Blue Bloods, but the role was recast with Andrea Roth.
In 2016, she was cast in a recurring role as a love interest for her real-life husband at the time, Frank Grillo, in the DirecTV drama Kingdom.