- 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
Commander of Starfleet's U.S.S. Tombaugh until being assimilated by the Borg in circa 2362. Blackwood was known for running a tight ship and making life nightmarish for new recruits.