- 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
A Serosian model HD-25 isomorphic projection maintenance unit with extreme hazard clearance who, in 2373, killed the six biological crewman aboard his ship. Dejaren's pet holographic fish was named Spectrum.