Character crossover appearances

Template:Realworld The following is a list of character appearances in another of the series.

Star Trek: The Original Series

• James T. Kirk
  • Star Trek Generations
  • DS9: "Trials and Tribble-ations" (archive footage)
  • ENT: "These Are the Voyages..." (archive voice only)

• Spock
  • TNG:
    • "Unification I"
    • "Unification II"
  • DS9: "Trials and Tribble-ations" (archive footage)

• Leonard McCoy
  • TNG: "Encounter at Farpoint"
  • DS9: "Trials and Tribble-ations" (archive footage)

• Montgomery Scott
  • TNG: "Relics"
  • Star Trek Generations
  • DS9: "Trials and Tribble-ations" (archive footage)

• Hikaru Sulu
  • VOY: "Flashback"

• Pavel Chekov
  • Star Trek Generations
  • DS9: "Trials and Tribble-ations" (archive footage)

• Uhura
  • DS9: "Trials and Tribble-ations" (archive footage)

• Zefram Cochrane (played by a different actor)
  • Star Trek: First Contact
  • ENT:
    • "Broken Bow"
    • "In a Mirror, Darkly" (archive footage)

• Arne Darvin
  • DS9: "Trials and Tribble-ations"

• Kahless the Unforgettable (played by a different actor)
  • TNG: "Rightful Heir" (as his clone)

• Kang
  • DS9: "Blood Oath"
  • VOY: "Flashback"

• Kor
  • DS9: "Blood Oath"
  • DS9: "The Sword of Kahless"
  • DS9: "Once More Unto the Breach"

• Koloth
  • DS9: "Blood Oath"
  • DS9: "Trials and Tribble-ations" (archive footage)

• Harry Mudd
  • TAS: "Mudd's Passion"

• Sarek
  • TAS: "Yesteryear"
  • TNG:
    • "Sarek"
    • "Unification I"

• Surak (played by a different actor)
  • ENT: "Awakening" (In a Katric vision)

Star Trek: The Next Generation

• Jean-Luc Picard
  • DS9: "Emissary"
  • ENT: "These Are the Voyages..." (archive voice only)

• William Riker
  • VOY: "Death Wish"
  • ENT: "These Are the Voyages..."

• Data
  • ENT: "These Are the Voyages..." (voice only)

• Geordi La Forge
  • VOY: "Timeless" (alternate future)

• Deanna Troi
  • VOY:
    • "Pathfinder"
    • "Life Line"
    • "Inside Man"
  • ENT: "These Are the Voyages..."

• Arridor
  • VOY: "False Profits"

• Reginald Barclay
  • VOY:
    • "Projections" (holographic image)
    • "Pathfinder"
    • "Life Line"
    • "Inside Man"
    • "Author, Author"
    • "Endgame"

• B'Etor
  • DS9: "Past Prologue"

• Kol
  • VOY: "False Profits"

• Lursa
  • DS9: "Past Prologue"

• Alynna Nechayev
  • DS9:
    • "The Maquis, Part II"
    • "The Search, Part II" (virtual)

• Thomas Riker
  • DS9: "Defiant"

• Lwaxana Troi
  • DS9:
    • "The Forsaken"
    • "Fascination"
    • "The Muse"

• Q
  • DS9: "Q-Less"
  • VOY:
    • "Death Wish"
    • "The Q and the Grey"
    • "Q2"

• Vash
  • DS9: "Q-Less"

• Worf
  • See Star Trek: Deep Space Nine (below)

Star Trek: Deep Space Nine

• Julian Bashir
  • TNG: "Birthright, Part I"

• Quark
  • TNG: "Firstborn"
  • VOY: "Caretaker"
  • Star Trek: Insurrection (scenes cut)

• Worf
  • Star Trek: First Contact
  • Star Trek: Insurrection
  • Star Trek Nemesis

• Broik
  • TNG: "Birthright, Part I"
  • VOY: "Caretaker"

• Gul Evek
  • TNG:
    • "Journey's End"
    • "Preemptive Strike"
  • VOY: "Caretaker"

• Morn
  • TNG: "Birthright, Part I"
  • VOY: "Caretaker"

Star Trek: Voyager

• Kathryn Janeway
  • Star Trek Nemesis

• Tuvok
  • DS9: "Through the Looking Glass" (as mirror Tuvok)

• Dr. Lewis Zimmerman
  • DS9: "Doctor Bashir, I Presume"

• EMH
  • DS9: "Doctor Bashir, I Presume" (as Deep Space 9 EMH)
  • Star Trek: First Contact (as USS Enterprise-E EMH)