- 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
Security crewman aboard the U.S.S. Enterprise. In 2267, while investigating an odd flower on Gamma Trianguli VI, the plant shot Hendorff mid-chest with a dozen spores. The ensign died instantly.