Cross all series means, has any (major or minor) character appeared in all of:

  • The Original Series
  • The Animated Series
  • The Next Generation
  • Deep Space Nine
  • Voyager
  • Enterprise
  • Discovery
  • The TOS era films
  • The TNG era films (including Generations)
  • The Reboot era films

Appearances primarily, but if they are mentioned I would accept that too.

  • 3
    Adding "mentioned prominently" makes this overly broad. What constitutes a mention? – Valorum Mar 13 '18 at 17:53
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    @ThePopMachine - This would be better (and answerable) if you restricted it to simple appearances – Valorum Mar 13 '18 at 18:27
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    Does pervasive mean they were in more episodes/movies than anyone else or that they had at least one appearance in more episodes/movies than the others? For example: Worf was probably in more episodes than any other character because he was a main character on 2 series and all TNG era movies but Riker appeared on TNG, VOY and ENT as well as all the TNG era movies but only had single appearances outsite of TNG – geewhiz Mar 13 '18 at 19:24
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    @Valorum, it would not be better. Stop insisting it would. It would be a different question, is all it would be. – ThePopMachine Mar 13 '18 at 22:22
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    @Valorum : An accepted answer with (at this time) 27 upvotes suggests that this question is answerable. – Praxis Mar 15 '18 at 21:39

The joint winners in terms of actual appearances are Scotty (7+0/10):

  • TOS
  • TAS
  • TNG ("Relics")
  • DS9 ("Trials and Tribble-ations")
  • TOS films
  • TNG films (Generations)
  • Reboot films

...and Spock (7+0/10):

  • TOS
  • TAS
  • TNG ("Unification")
  • DS9 ("Trials and Tribble-ations")
  • TOS films
  • Reboot films
  • Discovery (multiple season 2 episodes)

(Kirk does not appear in TNG. McCoy does not appear in the TNG films. Sarek does not appear in any of the TNG-era films or spinoffs. I could find nobody else who appears in more than five of your categories.)

Unsurprisingly, the winner in terms of bare mentions is almost certainly Kirk (6+3/10):

Appears in:

  • TOS
  • TAS
  • TOS films
  • TNG films (Generations)
  • DS9 ("Trials and Tribble-ations")
  • Reboot films

Mentioned in:

  • TNG ("The Naked Now" referencing "The Naked Time")
  • Voyager (Icheb does an assignment on him in "Q2")
  • Enterprise (A blink-and-you'll-miss-it mention in "These Are The Voyages" to the scanners on his ship — also, the voiceover at the end of the episode includes Shatner's voice)

So, everything except Discovery, depending on how you count the mentions.

Honorable mentions:

Sarek (6+1/10)

Appears in:

  • TOS ("Journey to Babel")
  • TAS ("Yesteryear")
  • TNG ("Sarek", "Unification")
  • Discovery (recurring)
  • TOS films (all but the first two)
  • Reboot films (the first one)

Mentioned in:

  • DS9 (Garak misattributes a quote to him in "Profit and Loss")

Cochrane (3+3/10)

Appears in:

  • TOS ("Metamorphosis")
  • TNG films (First Contact)
  • Enterprise ("Broken Bow", in a recording; Mirror Cochrane appears in the opening to "In a Mirror, Darkly")

Mentioned in:

  • TNG ("New Ground" — Geordi compares the test they're going to watch to Cochrane's first warp drive test)
  • Voyager (referenced as a famous test pilot in "Threshold"; appears as a trivia question in "Year of Hell"; etc.)
  • Discovery (Lorca calls him a famous pioneer along with the Wright Brothers and Elon Musk)
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    Minor point: Chekov should have score of 6? As well, (taken from Koenig's wiki page) "Koenig reprised the role of Chekov for the fan web series Star Trek: New Voyages, "To Serve All My Days", and the independent Sky Conway/Tim Russ film Star Trek: Of Gods and Men, both in 2006, and Star Trek: Renegades, in 2015. According to the teaser for Renegades episodes 2 and 3, this will be the last time Koenig plays the role of Chekov" – jim Mar 13 '18 at 20:41
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    Excellent work! I don't get why people always want to quibble over what is in or what is out, and complain about scoping, when the best and most interesting answer is to simply explain the considerations. – ThePopMachine Mar 13 '18 at 22:19
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    Doesn't Sulu also tie with Sarek since he showed up in Tuvok's crazy mind-meld that one time on Voyager? Wait no Sarek also showed up in the first Kelvin-verse film. – IG_42 Mar 14 '18 at 0:32
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    @ThePopMachine We're Trek fans. Quibbling over minutiae is what we do. – Brian Ortiz Mar 14 '18 at 7:39
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    You may soon have to update this answer: io9.gizmodo.com/… – TenthJustice Jul 20 '18 at 14:46

Number of appearance wise, it would have to be Worf right? He was in all but 4 episodes of TNG, all but 8 episodes of DS9 after season 4, and all 4 TNG films, for a total of 274 appearances.

  • 3
    Except that we are not counting appearances as a total, but any appearance in a series. But this is good research, welcome to the site! – JohnP Jul 20 '18 at 14:56

Riker appears in:

  • TNG
  • TNG films
  • DS9 ("Defiant" arguably)
  • VOY ("Death Wish")
  • ENT ("These Are the Voyages...")

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