- 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
Son of Keiko and Miles O'Brien. Although conceived in his mother's womb, he was carried to term and delivered by Kira Nerys, following an injury to Keiko. Worf is an occasional babysitter for Yoshi.