- 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
Kahless the Unforgettable's brother. Morath embodied dishonorable Klingon behavior. Kahless and Morath's legendary twelve day and night combat represents the difficult struggle honor requires of all Klingons.