- 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
Humorless field agent from the Federation Department of Temporal Investigations. Dulmur and partner Lucsly interrogated Sisko about the Defiant's time-travel jaunt to 2267, where he and his crew became entangled in past events aboard the original Starship Enterprise and Space Station K-7.