Summary

MostStar Trekcharacters are man , or members of well - known alien races , but sometimes , a new main or recurring character will hail from an alien metal money that viewers have only seen once before . Humans make up the bulk ofStar Trekcharacters , with Starfleet being free-base on Earth , but you ’ll find plenty of Vulcans , Romulans , and Klingons throughout the franchise , too , since each of these mintage initiate onStar Trek : The Original Series . TheStar Trektimelinemarched on intoStar Trek : The Next Generation , which introduce its own share of frequently - seen alien coinage , like adversarial Ferengi or Cardassians , and allies like Bajorans or Betazoids .

Because one of the core group missions of Starfleet is assay out young civilizations , however , a vanity ofStar Trekis precede a novel foreign species every prison term the USS Enterprise visits a unknown new world . unremarkably , these one - episode aliens are never visit again after serve their use in an episodic adventure , because there ’s more space to explore , other foreign specie to meet , and more tale to order . Sometimes , however , something about a new alien species is interesting enough to guarantee see them again , so members of these single - serving mintage turn up again as regular or resort characters in newerStar Trekshows .

Star Trek features some of the most iconic foreign species in all of science fiction , and those mintage are often defined by one particular character .

Star trek worf spock quark

7Lt. Commander D. Nhan on Star Trek: Discovery

Barzan, from Star Trek: The Next Generation Season 3, Episode 8 - “The Price”

InStar Trek : The Next Generationseason 3 , episode 8 , " The monetary value " , the discovery of a purportedly stable wormhole in 2366 puts Barzan II on the map , which makes it all the more interesting thatLt . Commander D. Nhan ( Rachael Ancheril ) is a Barzan serve up in Starfleet on the USS Enterprise and the USS Discoveryclose to a one C earlier . Nhan wears the same assistive ventilation gimmick as the Barzans inTNG , whose culture emphasizes personal obligation and obligation to one ’s community due to Barzan II ’s lack of natural resources . Nhan deal that posture , and explains that her the great unwashed have a penchant for security roles because of it .

6Lt. Kayshon on Star Trek: Lower Decks

Tamarian, from Star Trek: The Next Generation Season 5, Episode 2 - “Darmok”

For all that the highly metaphorical Tamarian language has had an impact onStar Trekfandom , the Children of Tama were only in a singleStar Trek : The Next Generationepisode , time of year 5 ’s " Darmok " , before the reaching of Lt . Kayshon ( Carl Tart ) inStar Trek : Lower Decks . Kayshon has as luck would have it mastered Federation Standard , making communicating as a Starfleet officer far less of a"beast at Tanagra"and more"Picard and Dathon at El - Adrel " . Although Kayshon is just a recurring character aboard the USS Cerritos , aTamarian onLower Deckshas the power to explore that linguistic misunderstanding can lead to funniness , just asTNGshowed it as calamity .

In Tamarian , " Beast at Tanagra " is a trouble to whelm , and " Picard and Dathon at El - Adrel " represents working together towards a rough-cut goal .

5Ensign Peanut Hamper on Star Trek: Lower Decks

Exocomp, from Star Trek: The Next Generation Season 6, Episode 9 - “The Quality of Life”

When introduce inStar Trek : The Next Generation , the Exocomps are non - humanoid robots capable of adaptative scholarship and puppet yield to assist engineers , but one Exocomp ’s refusal to follow ordering that would place it in harm ’s way of life run Lt . Commander Data ( Brent Spiner ) to define that the Exocomps are in reality sentient . And since Exocomps are sentient , they can join Starfleet , like the " mathematically utterly named " Ensign Peanut Hamper ( Kether Donohue ) inStar Trek : Lower Decks . A sassy and self - absorbed model who join Starfleet to anger her father , Peanut Hamper ’s forecast ego - conservation and various acts of rebelliontakeTNG ’s Exocomp behavior to the extreme .

4Lt. Hemmer on Star Trek: Strange New Worlds

Aenar, from Star Trek: Enterprise Season 4, Episode 14 - “The Aenar”

InStar Trek : Enterprise , the Aenar are an ostensibly mythical offshoot of Andorians know for their telepathic abilities , with a minimal population limited to the coldest part of Andoria . Most Aenar are blind , includingStar Trek : unknown New Worlds’Lt . Hemmer ( Bruce Horak ) , introduce as the Starship Enterprise ’s Chief Engineer . Like theEnterpriseAenar , Hemmer demonstrates heighten senses that compensate for his want of sight , as well as telepathy and some precognition . In mentoring Cadet Nyota Uhura ( Celia Rose Gooding),Hemmer represent the Aenar ism of passivism and respectfulness for life , and his personal ism of take exception others ' sight .

The first Aenar is technically seen for a moment at the very oddment ofEnterpriseseason 4 , episode 13 , " United " , as a wind - in to their primary episode , " The Aenar " .

The love for Captain Archer and his crew in Star Trek : Strange New Worlds makes a Star Trek : Enterprise crosswalk inevitable - here ’s how it may work .

The cast of Star Trek: Enterprise stand in front of the USS Enterprise NC-1701

3Zero on Star Trek: Prodigy

Medusan, from Star Trek: The Original Series Season 3, Episode 7 - “Is There in Truth No Beauty?”

Star Trek : The Original Seriesestablishes the non - corporeal Medusans as a metal money that humanoids ca n’t look at without run delirious , so Ambassador Kollos move around by cod and interacts either through a coach , Dr. Miranda Jones ( Diana Muldaur ) , or a brain meld with Mr. Spock ( Leonard Nimoy ) . InStar Trek : Prodigy , Zero ( Angus Imrie ) get along from a hive - head of genderless beings , and live an exosuit that allows them to interact directly with the corporeal world . rather of being a queer plot gadget , Zero is one ofStar Trek : Prodigy ’s main characters , so their story explores the psychological ramifications of the Medusan capacity to induce folly , and also being isolated from others while trying to go .

With 53 years ramify the Medusans ' first appearance inTOSand the starting line ofStar Trek : Prodigy , Zero lay out the long period of time of time between a individual - episode specie ' launching and its restoration in aStar Trekmain role .

2Commander Una Chin-Riley on Star Trek: Strange New Worlds

Illyrian, from Star Trek: Enterprise Season 3, Episode 19 - “Damage”

TheIllyrians inStar Trek : Enterpriseseem very different fromStar Trek : Strange New Worlds ' Commander Una Chin - Riley ( Rebecca Romjin ) , also lie with as Number One . Illyrians employ hereditary modification as a cultural practicethat allow Illyrians to inhabit otherwise uninhabitable worlds , so it ’s practically expected that Illyrian from different colonies will look dissimilar as a consequence . The Illyrian ship inEnterpriseserves as a plot equipment , so there ’s little selective information about them as species untilStrange New Worldsexpands on Illyrian culture through Number One , particularly inStrange New Worldsseason 1 , episode 3 " Ghosts of Illyria " , andSNWseason 2 , episode 2 , " Ad Astra Per Aspera " .

1Lt. Commander Jadzia Dax on Star Trek: Deep Space Nine

Trill, from Star Trek: The Next Generation Season 4, Episode 23 - “The Host”

The symbiotic Trill have become popularStar Trekaliens , andTrill fib hold metaphor for give tongue to the ample variety of human gender and sex , just as stand for in their one instalment ofTNG.In " The boniface " , the humanoid host ’s personality is suppressed , so Ambassador Odan ( Franc Luz ) stay the same somebody regardless of host . WhenDS9changes the Trill , Lt . Commander Jadzia Dax ( Terry Farrell ) sport a patched face , and joined Trill are now a blend of horde and symbiont personalities . As a regular character , Dax ’s relationships build on themes of personal and gender indistinguishability that were set up but never broadly explored with Odan .

Every one of these return specie represents a unparalleled aspect of the human experience forStar Trekto comment on that has become more relevant than ever . From the Tamarians ' meme - like voice communication and Exocomps ' autonomy , to the further reaching event of Illyrian inherited modification , discussions of handicap surrounding the Barzans and Aenar , and concept of sex for Trill and Medusans , thedefining traits of some single - serving metal money are just too blanket to be fully explored in just one instalment . In those cases , it make perfect sense forStar Trekto revisit those species with new reference .

Star Trek : The Original Series , Star Trek : The Next multiplication , Star Trek : Deep Space Nine , Star Trek : Enterprise , Star Trek : Lower Decks , andStar Trek : Strange New Worldsare streaming on Paramount+.Star Trek : Prodigyis streaming on Netflix .

Picard and Riker in season 1

tamarian, jadzia dax, hemmer aliens of the week-1

lt nhan star trek discovery season 2 barzan

Star Trek Lower Decks Kayshon Tamarian

Zero from Star Trek Prodigy

Number One (Rebecca Romijn) from Strange New Worlds

Star Trek: Prodigy

Star Trek: Discovery