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Summary
Several doer appeared inStar Trekas minor characters before being cast in their more iconic roles . TheStar Trekfranchisehas a long history of making great cast choices , and some actor made such an imprint that they were brought back to play multiple fibre . With doer and fictitious character as iconic as William Shatner ’s Captain James T. Kirk and Leonard Nimoy ’s Spock , it ’s no surprise thatStar Trekactors often became most associated with just one role . This put on to lineament like Odo ( René Auberjonois ) and Tuvok ( Tim Russ ) as well , but these role player had appeared inStar Trekshowsbefore .
Many factors add toStar Trek’ssuccess , include the franchise ’s incredible characters and the worker who act them . Even with modernStar Trekprequels likeStar Trek : DiscoveryandStar Trek : Strange New Worlds , the producer have take great care when choose new role player to portray iconic characters . WhilemanyStar Trekcharacters have now been played by two ( or more ) histrion , just as manyTrekactors have portrayed multiple quality . Here are 10Star Trekactors who popped up in the franchise before being regorge in their most iconicTrekroles .
Star Trek ’s timeline spans a thousand years of Starfleet and the United Federation of Planets , with alternate realities and time travel galore .

10Mark Lenard
Known for portraying Ambassador Sarek in Star Trek: The Original Series & Star Trek: The Next Generation.
Before adopt on the function ofSpock ’s father Ambassador Sarek , Mark Lenard appear as an unnamed Romulan Commander inStar Trek : The Original Seriesseason 1 , episode 14 , " Balance of Terror . " As one of the first Romulans seen on screen , Lenard ’s Romulan Commander blow out of the water Captain Kirk and his gang with his Vulcan - like show . Although the Romulans and the Federation had been involve in a war before the outcome of " Balance of Terror , " they had never actually seen one another .
Mark Lenard ’s performance as the Romulan Commander so impress the manufacturer ofTOSthat they thought of him when casting began for Spock ’s father , Sarek . InTOSseason 2 , installment 10 , " Journey to Babel,“Lenard uprise the reference of Sarek alongside his human married woman and Spock ’s mother , Amanda ( Jane Wyatt).Lenard would go on to portray Sarek in threeStar Trekfilms and one instalment ofStar Trek : The Next coevals .
Mark Lenard also appeared as a Klingon Captain inStar Trek : The Motion Picture , making him one of the few actors to depict a Romulan , a Vulcan , and a Klingon .

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Cast
9Diana Muldaur
Known for portraying Dr. Katherine Pulaski in Star Trek: The Next Generation.
Diana Muldaur is most recognizable toStar Trekfans asTNG’sDr . Katherine Pulaski , but she had previously appeared as two different characters onStar Trek : The Original Series . Muldaur ’s first coming into court came inTOSseason 2 , instalment 20 , " devolve to Tomorrow , " whereshe play Dr. Ann Mulhall , an astrobiologist dish out on the USS Enterprise . InTOSseason 3 , installment 5 , " Is There In Truth No Beauty ? , " Muldaur portrays Dr. Miranda Jones , a psychologist accompanying theMedusan ambassador Kollos .
Diana Muldaur appeared in two episodes of Star Trek : The Original Series long before she took on the role of Dr. Pulaski in Star Trek : TNG .
After playing two doctors in two differentTOSepisodes , Muldaur took on the role of Dr. Katherine Pulaski forStar Trek : The Next Generationseason 2.Although Dr. Beverly Crusher ( Gates McFadden ) had served as the Chief Medical Officer on the USS Enterprise - D , McFadden had been fired beforeTNG’ssecond season . With a personality similar to Dr. Leonard McCoy ’s ( DeForest Kelley ) , Pulaski did n’t quite gel with the rest period ofTNG’scast and she leave the show after only one season .

8Armin Shimerman
Known for portraying Quark in Star Trek: Deep Space Nine.
With his portrayal of Quark inStar Trek : Deep Space Nine , Armin Shimerman almost single - handedly changed the perception of the Ferengi inStar Trek . But Quark was not the first Ferengi Shimerman had diddle . Long before the character of Quark was even conceptualise , Shimerman appear as Letak , one of the first Ferengi on screeninStar Trek : The Next Generationseason 1 , episode 5 , " The Last Outpost . "
Armin Shimerman had an uncredited appearing as a Betazoid giving loge inTNGseason 1 , episode 11 , " Haven . "
Armin Shimerman also play Ferengi DaiMon BractorinTNGseason 2 , episode 21 , " Peak Performance , " the air force officer of the Ferengi ship Kreechta . The Ferengi were ab initio meant to be major villains onTNG , but they came across as too humorous and were hard to take badly . Thankfully , Shimerman got to pay off himself with his portrayal of Quark , making the Ferengi bartender a complex and absorbing character .

Custom image by Yailin Chacon
7Marc Alaimo
Known for portraying Gul Dukat in Star Trek: Deep Space Nine.
As theCardassian Gul Dukat onStar Trek : Deep Space Nine , Marc Alaimo systematically delivered a menacing , but captivating performance . Before appear as Dukat , however , Alaimo bulge up in several episodes ofStar Trek : The Next Generationas various characters . Alaimo ’s first credit appearance was as the Romulan Tebok inTNGseason 1 , episode 26 , " The Neutral Zone . "
Alaimo had an uncredited appearance inTNGseason 1 , episode 7 , " Lonely Among Us , " as an Antican delegate named Badar N’D’D.
Marc Alaimo also played Gul Macet , one of the first Cardassians seen on silver screen inTNGseason 4 , episode 12 , " Wounded . " Alaimo ’s final appearance inTNGcame in the two - parter " Time ’s pointer , " in which he played the human card shark , Frederick La Rouque . Alaimo would go on to appear as Gul Dukat in 35 episode ofDS9,making him one ofStar Trek’smost salient Cardassian characters .

6Max Grodénchik
Known for portraying Rom in Star Trek: Deep Space Nine.
Like Armin Shimerman before him , Max Grodénchik also appeared as two dissimilar Ferengi onStar Trek : The Next Generationbefore taking over the role of Rom onDS9.InTNGseason 3 , episode 19 , " Captain ’s Holiday , " Grodénchik depict a Ferengi call Sovak , who followed thearcheologist Vash ( Jennifer Hetrick)to Risa where he had a rivulet - in with Captain Jean - Luc Picard ( Patrick Stewart ) .
Later , inTNGseason 5 , episode 21 , " The Perfect Mate , " Grodénchik act the Ferengi Par Lenor , who fox his elbow room onto the Enterprise - D to acquire an empathic metamorph name Kamala ( Famke Janssen).Grodénchik is , of course of study , most sleep together for play Rom , the lovable Ferengi technologist onDS9.Constantly picked on by his pal Quark , Rom finally became the Grand Nagus of the Ferengi .
5Robert Duncan McNeill
Known for portraying Lt. Tom Paris in Star Trek: Voyager.
Before taking on the role of Lt . Tom Paris inStar Trek : Voyager , Robert Duncan McNeill played Starfleet cadet Nicholas Locarno inTNGseason 5 , episode 19 , " The First Duty . “Part of theflight squad known as Nova Squadron , Locarno and his friends , include Wesley Crusher ( Wil Wheaton ) , were involved in an accident at Starfleet Academy that killed a fellow cadet .
Robert Duncan McNeill plays Lt . Tom Paris and Nick Locarno in Star Trek , and he compares and contrasts his two identical - depend characters .
The character of Tom Paris was largely ground on Nick Locarno , but Locarno ’s action in " The First Duty " made him too unmanageable to redeem . ab initio , Voyager’sproducers seek a unlike actor to limn Tom Paris , but no one was better suit than Robert Duncan McNeill . Unlike Locarno , Paris is at long last a effective guy who has made some mistakes , and he redeems himself throughoutVoyager’sseven season .

Robert Duncan McNeill returned to vocalisation Nicholas Locarno inStar Trek : Lower Decksseason 4 , in which the former Starfleet cadet grow full villain .
4René Auberjonois
Known for portraying Constable Odo in Star Trek: Deep Space Nine.
Throughout seven seasons ofStar Trek : Deep Space Nine , René Auberjonois ' Odobecame one of the show ’s most compelling and beloved character . Before being hurtle as Deep Space Nine ’s security policeman , René Auberjonois appear as Colonel West inStar Trek VI : The Undiscovered Country . West was a Starfleet officer involved in the conspiracy to countermine peace talks between the Federation and the Klingon Empire .
René Auberjonois ' role as Colonel West went uncredited because all of his scenes were rationalize from the theatrical release of the motion picture , although his scene are include in the 2022 Blu - ray version . Between his search for belong to , his romance with Major Kira Nerys ( Nana Visitor ) , and his litigious friendly relationship with Quark , Odo has an incredible journey onDS9and is attractively brought to life by René Auberjonois.
3Tim Russ
Known for portraying Lt. Tuvok in Star Trek: Voyager.
Tim Russ may be most placeable as Lt . Tuvok , but he has the differentiation of being one of the few role player to have appeared inTNG , DS9,and aStar Trekfilm . Russ ’s firstTrekappearance total inTNGseason 6 , episode 18 , " Starship Mine , " in which he plays Devor , one of the mercenaries frustrate by Captain Picard . Russ then went on to portray a Klingon mercenary diagnose T’Kar inDS9season 2 , sequence 4 , " Invasive Procedures . "
Before taking on the role of Tuvok , Russ popped up inStar Trek Generationsas a lieutenant aboard the USS Enterprise - B , who tries to beam aboard El - Aurian refugees . As the first Vulcan main cast appendage since Spock , Tim Russ had big place to satiate , but he more than lived up to expectations , making Tuvok a fascinating and complex fiber . Russ turn back as Tuvok inStar Trek : Picardseason 3 , to promote his fellow Voyager bunch member Seven of Nine ( Jeri Ryan ) .
Star Trek : Voyager ’s Tuvok has a long Starfleet career , from Captain Sulu ’s USS Excelsior , to the USS Voyager under Captain Janeway , and beyond .

2Todd Stashwick
Known for portraying Captain Liam Shaw in Star Trek: Picard.
As the grumpy , but loveable Captain Liam Shaw , Todd Stashwick became the breakout adept ofStar Trek : Picardseason 3 , but some rooter may not know the actor had been inStar Trekbefore . InStar Trek : Enterpriseseason 4 , episode 9 , " Kir’Shara , " Stashwick portrayed Talok , a Romulan working undercover as a Vulcan . Although Talok attempted to further the goal of the Romulan Star Empire and their desire to conquer Vulcan , his design was at last thwarted by Captain Jonathan Archer ( Scott Bakula ) .
Todd Stashwick returned toStar TrekinPicardseason 3 , as the skipper of the USS Titan . Having survived the devastating Battle of Wolf 359,Shaw did thing by the Word and was none too happy when Admiral Picard and Captain William Riker ( Jonathan Frakes ) commandeered his ship . Despite an initially cold introduction , Captain Shaw developed into one ofPicardseason 3 ’s most compelling and tragic fictitious character .
1Elias Toufexis
Known for portraying L’ak in Star Trek: Discovery.
InStar Trek : Discovery’sfifth and final season , Elias Toufexis portray L’ak , the first Breen to be unmasked , but he had previously appeared in an earlier episode of the show . InDiscoveryseason 1 , episode 3 , " Context is for Kings , " Toufexis portrayed a human convict nicknamed Cold . Cold was being transferred alongside Michael Burnham ( Sonequa Martin - Green ) , and he pointed her out to his fellow inmate .
Discoveryseason 5 followed Captain Burnham and the USS Discovery as they searched for the powerful treasure of the Progenitors . Elias Toufexis seem throughout the time of year as L’ak , a member of Breen royalty who ran aside with a human messenger make Moll ( Eve Harlow).In their search for the Progenitors ' engineering , Moll and L’ak elude the Federation for much of the season before Discovery eventually caught up with them . Elias Toufexis join the listing of actors who appeared inStar Trekbefore land the role they would later on become known for .













