- 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
Wearing a Starfleet uniform and phaser, Niles helped kidnap Gul Dukat from DS9, the Maquis' first official act in 2370. He also tried to destroy a Cardassian weapons facility on Bryma.