- 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
Follower of renegade scientist Dr. Sevrin, who sought the mythical planet Eden in 2269. Galliulin had a romantic relationship with Pavel Chekov when both attended Starfleet Academy, but they broke up because they had differing life philosophies.