- 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
Police officer from the San Francisco department. In 2024, Preston was involved in negotiations with the hostage-holders from the Sanctuary District A just prior to the outbreak of the Bell Riots.