- 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
Romulan officer rendered undetectable, and able to pass through matter, after an interphase generator accident. Parem was last seen floating out into space after being thrown through an exterior bulkhead.