In August 2013 he was cast in the third season of NBC's "Grimm" as a recurring character named Viktor Albert Wilhelm George Beckendorf. In 2014, Denisof reprised his role as The Other in "Guardians of the Galaxy". In the same year he began starring in the MTV television series "Finding Carter" as David Wilson. As of 2018, Denisof starred in the web series "I Love Bekka & Lucy" as Glenn, and was nominated for a Primetime Emmy Award for Outstanding Actor in a Short Form Comedy or Drama Series, his first such nomination.