- 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
Starfleet officer who, in 2364, alerted Captain Jean-Luc Picard to what he felt was a hostile takeover of Starfleet Command by outside forces. Quinn was later taken over by these unknown aliens.