Dianna's first role in a feature film was opposite Vince Vaughn in Domestic Disturbance where she played a friendly small-town waitress. Her most recent film roles are alongside Benicio Del Toro and Ato Essandoh as a helpful neighbor in the upcoming Netflix thriller Reptile; a sassy redneck opposite Anna Friel in Charming the Hearts of Men; and a needy divorcee taking advantage of her personal trainer Arturo Castro in the romantic comedy Brand New Old Love. Dianna's electrifying role as a homeless woman suffering from schizophrenia (Spoiled Milk) and a remorseful prison guard (Solus) add to her diverse and powerful presence on screen.

Some of Dianna's television appearances include an emotional guest star role as a victim of sexual assault opposite Maggie Q and Dylan McDermott in Stalker; a professional nurse alongside Elle Fanning in The Girl from Plainville; a racist sheriff opposite Dawn-Lyen Gardner in Queen Sugar; a quirky and overly infatuated fan alongside Jonathan Bennett in the TV movie Romantically Speaking. Dianna has also played an angry protester opposite Sarah Chalke in the sitcom How to Live with Your Parents (for the Rest of Your Life), and a translator in a tense hostage negotiation alongside Dennis Haysbert and Max Martini in The Unit.

Dianna received her Bachelor of Arts Degree in Communication Studies from The University of North Carolina at Wilmington. In 2016, Dianna hiked 50 hikes in 50 weeks and celebrated her 50th hike at Multnomah Falls in Portland Oregon. In 2017, she hiked 100 hikes and commemorated her 100th hike at Muir Woods outside of San Fransisco. Dianna enjoys writing and photography and spending time with her rescue dog Wolfie.