Kathryn Rossetter appeared on Broadway opposite Dustin Hoffman in Death Of a Salesman and repeated her role in the filmed version. Also on Broadway, Time Of The Cuckoo, at Lincoln Center. Off Broadway; numerous productions at The Working Theatre, WPA Theatre, Public Theatre, Vineyard Theatre, Hudson Guild Theatre, UBU Rep, Playwrights Horizons, New Dramatists, The Exchange, The Women’s Project, Village Gate, WestBank Café and The Ensemble Studio Theatre where she is a member. Other films; Speed II, Fearless, Shakedown, The Night We Never Met, Whatever, Peoples, Pose Down, The Unidentified and Ten Stories Tall among others. Many guest appearances on television, including, Law & Order SVU, Touched by an Angel, Full House, LA Law, Kate and Allie, Spencer For Hire, The Deidre Hall Story, The Cosby Show, and several television pilots. Many commercials and voice overs, including video games, Grand Theft Auto and Bully.
She’s written and performed three sketch comedy shows, three One-person shows, several one-act plays and her film scripts, Fine and Virgin Territory, were finalists for Nicholl Fellowships in Screenwriting. Recipient of a Tennessee Williams Theatre Fellowship for her one-person show, Starving, Hysterical Naked. Her essay, "I Kid You Not" was published in the book, No Kidding; Women Writers on By-Passing Parenthood released in April 2013.