Her onscreen credits include roles in White Noise 2 starring Nathan Fillion and Shooter starring Mark Wahlberg. Tammy played a leading role in the indie feature film Under the Apple Box, which received an honorable mention at the New Jersey Film Festival winning an Honorable Mention and also screened at the Women's International Film Festival in Miami in March 2013. She appeared on the Bravo series Girlfriend's Guide to Divorce, as well as the Hallmark romantic comedy A Novel Romance starring alongside Amy Acker and Dylan Bruce and the Lifetime thriller Stolen from the Womb starring alongside Laura Mennell and Larisa Oleynik.