Diane has established herself as one of the most exciting and daring actresses working in the New York theater scene and beyond. Best known for starring as Ginny Potter in the acclaimed Broadway production of "Harry Potter and the Cursed Child", Diane previously appeared on Broadway in Golden Boy, Festen, and Old Acquaintance. Off-Broadway she has been seen in Nice Girl (LAByrinth), The Model Apartment, Regrets Only (Manhattan Theater Club), The Young Left (Cherry Lane). She has also worked regionally, most notably starring in An American Daughter at the Williamstown Theater Festival, The Qualms at Steppenwolf, and The Sign in Sidney Brustein’s Window at The Goodman Theater. Diane was nominated for both a Lucille Lortel and a Drama Desk award for “Outstanding Actress in a Play” for her portrayal of Debbie in The Model Apartment. Her work in Nice Girl was designated by the New York Times as “one of the Stage’s Best Moments of 2015”.
On television, Diane has appeared in Evil, FBI: Most Wanted, Dr. Death, Elementary, Person of Interest, Blue Bloods, Power, Michael and Michael Have Issues, Fringe, Without A Trace, and Law & Order. She is also an accomplished Voiceover Artist, and has recorded campaigns for TREMFYA, Johnson & Johnson, Subway, and more. She has an M.F.A., from the graduate acting program at NYU.