Hiltz has made guest appearances on several television shows including NYPD Blue, The O.C., Strong Medicine, Cold Case, The Shield, Buffy the Vampire Slayer, V.I.P., CSI: Crime Scene Investigation, and Smallville. She also recently appeared in three episodes of Desperate Housewives. She played the semi-regular character Ginny Dannegan in The Riches and just wrapped principal photography of the horror film Trailer Park of Terror.

Hiltz was engaged to Canadian actor Mike Smith (of Trailer Park Boys fame). The two actors met during the filming of Trailer Park Boys: The Big Dirty.

Hiltz currently plays Brandi Shannon on USA's hit series In Plain Sight.