- 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
A boy several centuries old, nearing puberty in 2266 on a planet where a so-called Life Prolongation Project kills adults. Jahn and the other children — called "onlies" — endangered James Kirk and landing party.