Character crossover appearances

A crossover is an event in a television franchise where characters from one series appear with the main characters and settings from another series. Many Star Trek crossovers served as introductions to the cast and setting of the latest show, while others were nostalgic reminiscences of previous series. 
The following is a list of crossover characters who appeared first in one television or film series, and subsequently appeared in a different television or film series. 
== Star Trek: The Original Series ==
* James T. Kirk 
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* Christopher Pike 
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* Spock 
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* Leonard McCoy 
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* Montgomery Scott 
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* Hikaru Sulu 
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* Pavel Chekov 
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* Nyota Uhura 
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* Christine Chapel 
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* Janice Rand
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* Nilz Baris
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* Zefram Cochrane
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* Arne Darvin
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* Freeman
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* Galloway
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* David Garrovick
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* Amanda Grayson
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* Phillip Green
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* Guardian of Forever
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* Hadley
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* Hansen Al-Salah
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* Cyrano Jones
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* Kahless the Unforgettable
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* Kang
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* George Samuel Kirk
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* Koloth
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* Kor
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* Korax
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* Kyle
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* Landru
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* Leslie
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* Abraham Lincoln (Excalbian)
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* Lurry
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* Angela Martine
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* Gary Mitchell
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* Harry Mudd
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* Romulan Commander
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* Stella Mudd
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* Sarek
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* Khan Noonien Singh
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* Stonn
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* Surak
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* T'Pau
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* T'Pring
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* Robert Tomlinson
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* Una Chin-Riley 
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* Vina
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* Bob Wesley
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* White Rabbit
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==Star Trek: The Animated Series==
* Arex
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* I-Chaya
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* M'Ress
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* Spock Two
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* Robert April
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==The Original Series films==
* Lojur
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* Punk on bus
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* Dimitri Valtane
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* Sybok
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==Star Trek: The Next Generation==
* Jean-Luc Picard 
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* William T. Riker 
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* Data 
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* Geordi La Forge 
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*Deanna Troi 
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* Worf 
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* Beverly Crusher 
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* Wesley Crusher
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* Natasha Yar
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* Joshua Albert
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* Ancient humanoid
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* Arridor
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* Reginald Barclay
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* Morgan Bateson
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* B'Etor
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* Boothby
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* Leah Brahms
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* Rachel Garrett
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* Sonya Gomez
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* Gowron
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* Guinan
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* Hugh
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* Edward Jellico
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* Kalita
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* Kurn
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* Nicholas Locarno
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* Locutus of Borg
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* Lore
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* Lursa
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* Bruce Maddox
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* Alynna Nechayev
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* Neral
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* Keiko O'Brien
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* Miles O'Brien 
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* Molly O'Brien
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*Alyssa Ogawa
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* Thadiun Okona
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*Q
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*Thomas Riker
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*Ro Laren
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*Alexander Rozhenko
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* Elizabeth Shelby
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* Sito Jaxa
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* Lwaxana Troi
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* Vash
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* Vellek
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==The Next Generation films==
*Borg Queen
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* B-4
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==Star Trek: Deep Space Nine==
*Kira Nerys
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*Julian Bashir
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*Quark
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*Odo
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*Broik
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* Chekote
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* Evek
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* Elim Garak
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* Falow
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* Leeta
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* Martok
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* Morn
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* Rom
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==Star Trek: Voyager==
*Kathryn Janeway
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*Chakotay
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*The Doctor
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*Tom Paris
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*Seven of Nine 
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*Tuvok
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*Doctor Chaotica
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* The Clown
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* Icheb
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* Michael Sullivan
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* Lewis Zimmerman
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* EMH
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* Neelix
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==Star Trek: Enterprise==
* Charles Tucker III
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* Malcolm Reed
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* T'Pol
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* Travis Mayweather
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* Daniels
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==Star Trek: Discovery==
*Michael Burnham
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*Mike Burnham
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*Saru
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*Sylvia Tilly
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*Philippa Georgiou
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*Amin
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*Upjohn
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==Short Treks==
*Me Hani Ika Hali Ka Po
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*Siranna
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*Zora
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*Jack Crusher
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==Star Trek: Lower Decks ==
*Barnes
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*Beckett Mariner
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*Brad Boimler
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*Jennifer Sh'reyan
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*Merp
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*Sam Rutherford
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*D'Vana Tendi
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*Jack Ransom
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*T'Ana
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==Star Trek: Strange New Worlds ==
*Hemmer
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== Star Trek: Prodigy ==
*Gwyndala
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*Zero
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*Rok-Tahk
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==Historical==
*Leonardo da Vinci
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*Isaac Newton
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==Note==
* No characters who first appeared in the alternate reality films have recurred in a subsequent series or film.
==See also==
*Recurring characters
*Crossover characters in the alternate reality
*Roles with multiple performers
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Character crossover appearances