- 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 Starfleet officer, in 2364, Chang conducted the Starfleet Academy entrance exam on Relva VII. Chang administered a variety of academic tests and psychological evaluations to four finalists, including Wesley Crusher. Chang presided over Wesley's first attempt to join the academy. But Chang could pick only one candidate, and that honor went to Mordock, who became the first Benzite to enter Starfleet.