- 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
(1923-1977) Twentieth-century Opera singer from Earth who was considered one of the top sopranos of her time. In 2373, Voyager's Doctor planned on performing a duet with Callas, albeit in a holographic setting.