Parker Holstein began his acting career as the founder of the Cross Lanes Crew trio, producing and starring in high school projects such as The Story of Audrick (2014) and The Platform (2014). He later went independent as Hey Park Productions, producing hits among his peers such as the SRV series (2015) his senior year of high school and the Risky Business trilogy (2017) throughout college. He finally reached acclaim after receiving The Golden Tripod Finalist and Silver Tripod for Production Design awards from Campus Movie Fest for Knight Time (2018).
After taking a break from film to attend law school through the pandemic, he resurfaced as the comedic relief in the documentary Armenia: A Love Story (2023).