- 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
Young, brash engineer with the Starfleet forces pinned down at AR-558. During the decisive Jem'Hadar assault, Kellin was fatally wounded while saving Ezri Dax's life.