- 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
Brilliant acoustics and communications scientist, as well as charismatic leader, who started a back-to-nature movement called One. Dr. Sevrin was originally from Tiburon, but he met his fate on a toxic planet that was mistaken for Eden.