- 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
Security officer on the U.S.S. Enterprise NCC-1701 in 2268 when it was invaded by the Beta XII-A entity. After being mortally wounded by Klingons, Johnson quickly healed and rejoined the conflict.