- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
Member of the U.S.S. Voyager crew. Gennaro was the next-to-last crewman abducted by the Nyrians in their attempt to seize the ship by covertly supplanting the crew (Chakotay being the last).