- 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
Leader of the Terra Nova colonists in 2078. Captain Archer and the crew of the Enterprise NX-01 discovered Mitchell's final transmission from the colony, which never reached Earth. Mitchell believed that other humans had attacked the Novans with radiation weapons.