Born in Beverly Hills to ballerina Anna Simonova and stunt-man Igor Volochkov. Dennis has been acting since the age of 6. He booked his first job for a Russian Movie named "Force of One". Though he was uncredited ,he got a taste of what is to come. After 3 years of inactivity, Dennis started booking commercials and print one after another. In 2007 he appeared on Criminal Minds as Uri and two years later in 2009 he starred in the movie "The Rainbow Tribe" this being the biggest work he has done so far. Shortly after, Dennis booked a role on the set of The Outside" with Nia Peeples. And then again another movie "Once Fallen" with Oscar nominee Ed Harris. Graduated from high school at the age of 14, today Dennis attends Los Angeles Valley College to expand his acting career.