Mandy is a New York City based actress who was born and raised in Pittsburgh, so naturally she grew up loving The Steelers and Primanti Bros. sandwiches.
She has a diverse career in television, theater, and film, and has premiered roles in plays by Adam Rapp, Theresa Rebeck, Jessica Goldberg, Itamar Moses, Keith Reddin, and Winter Miller. 

Mandy is often recognized by GREY’S ANATOMY fans as Molly, one of Meredith Grey’s half sisters. Other TV and film credits include: CLAWS, SUCCESSION, ELEMENTARY, THE GOOD WIFE, THE FOLLOWING, PERSON OF INTEREST, HUNG, BONES, AND STUDIO 60, and the independent films THAT’S WHAT SHE SAID and LIBERTY MAINE, among others.

Broadway: NOISES OFF with Jane Curtin

Off-Broadway/NY theater: OUR HOUSE, REFUGE (Playwrights Horizons); Adam Rapp’s BLACKBIRD (opposite Paul Sparks in the NY Premiere production and opposite Michael Shannon in the American Premiere in her hometown of Pittsburgh); Paula Vogel’s THE MINEOLA TWINS with Swoosie Kurtz - Outer Critics Circle Nomination (Roundabout Theater -Dir/Joe Mantello); THE PENETRATION PLAY (with 13P), FRAME 312 (Atlantic Theater
Company), STUPID KIDS (WPA/Century Theater - Dir/Michael Mayer); THE SCARIEST (Bleeker St. Theater); PARTS UNKNOWN (Chashama Theater) and most recently at The Ensemble Studio Theater.

Regional (includes): DANCING AT LUGHNASA (Two River Theatre); HOT L BALTIMORE with Sam Rockwell, Thomas Sadoski, and Lois Smith (Williamstown); UNCLE VANYA opposite Peter Dinklage and Taylor Schilling (Bard Summerscape); COMPLETENESS (South Coast Rep - Dir/Pam MacKinnon); MAURITIUS (Dorset Theatre); and CURSE OF THE STARVING CLASS with Guy Boyd and Kristine Nielsen where she got to deliver a monologue to a refrigerator (Yale
Rep).

Mandy's all-time favorite role is being Mom to her daughter, who plans to be an inventor when she grows up.