- 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
Duras's powerful father who betrayed the defense codes of Khitomer, allowing 4,000 Klingons to be massacred by Romulans there in 2346 including Worf's father Mogh. Incredibly, Ja'rod's son Duras later altered 'newly found' records to blame Mogh for the traitorous acts. He also sired Lursa and B'Etor.