In 2013 Julia portrayed the lead Elizabeth in short film Aquarius' Mule, a drug addict who has to face the consequences of her drug abuse. In 2014, Papp played the female lead role of a young prostitute Magdolna in the film Tariro, a story about human trafficking. Papp portrayed the lead character Anna in the 2015 film Archie, a story about a young mother and her six-year-old autistic son. Later in the year Julia played Catherine in Pulitzer Prize winning play Proof. Her performance was well-received by critics. "The cast is led by Julia Papp, who gives a powerfully emotional performance" Carn's Theatre Passion. "At the centre of this production of Proof is the moving and multifaceted performance of Julia Papp" Theatre Truffles. "Julia Papp gives a strong and believable performance" West End Wilma. "...especially the absolutely brilliant, heartbreaking and emotional Julia Papp's performa…
