Dennis was born in Topeka Ks, where he attended Topeka high school Hw was in the US Navy during the Korean War and was a Navy Photographer He moved to California where he atended college at Los angeles City college and Santa Monica City College where he took drama. He was in a play at Pasadena Playhouse and tested for Paramount Pictures and was signed to a contract. He was in the Michael Checkov group and studied in New York with Lee Strasberg for many years. In New York he did movies, TV and commercials. He is now in California, still acting. He has directed 3 digital films and had the first full length feature on the Internet that was free to download. He is now directing his fourth digital feature in between acting jobs.