Pietz is best known to TV audiences as Broadway dancer Annie Spadaro, Caroline Duffy's best friend and confidante on Caroline in the City, a role for which she was nominated for a SAG® Award. Other series regular work includes the critically acclaimed Aliens in America, Rodney, The Weber Show and Muscle. She's also made recurring appearances on The Office, Trust Me and Ally McBeal, with guest star appearances on Curb Your Enthusiasm, Burn Notice, Nip/Tuck, The Closer and Private Practice. Film credits include Rudy, Jingle All the Way, The Whole Ten Yards and Disney’s Prom, released April 2011.
No stranger to the musical stage, Pietz has received several Ovation Award nominations for Los Angeles-area performances in Company and Lobby Hero. Other stage credits include A View from a Bridge,You Can't Take it With You, and Fiorello! Pietz is a founding member of Teatro de Facto in LA, and the Eclipse Theatre Company in Chicago. She is a graduate of the former Goodman School of Drama, which awarded her with Excellence in the Arts for her work in radio, television and theatre.
Her own experience with adoption, both as a birth mother and adoptee, motivated her to become a certified birth doula in 2003, a passion and career as important to her as performing.