Career
Zumwalt began his acting career in 2004, playing a small role in the short film 16w. From then until 2008, he took small roles in low-budget films, television series and video game roles to make a living. In 2008, Zumwalt was hired by Rockstar Games as a voice actor in their video game Grand Theft Auto IV, playing the role of protagonist Niko Bellic"s cousin Roman.
Upon release, Zumwalt"s character was critically well-received due to his distinctive accent and humorous dialogue.
To this day, Grand Theft Auto IV is still his most notable role. In 2014 Zumwalt co-wrote the script for the dramatic thriller Urge, alongside Aaron Kaufman.
He also co-wrote the screenplay for the 2015 independent film Flock of Dudes, alongside Bob Castrone and Brian Levin.
