Supernatural
Television writers have the difficult task of produce small office that facilitate further the plot on a short - terminal figure basis without overshadowing the chief character or becoming too ingrained in the overarching storyline . Although most of these characters arrive and go as intended , often for less than three episodes , others show so much hope that the writers ca n’t serve but include them in more episodes .
Whether the worker displayed immediate chemistry opposite the lead , as was the type with Luke Kirby inThe Marvelous Mrs. Maisel , or the fictitious character resonate so strongly with audiences that they involve more , such as James Marsters ' portrayal of Spike inBuffy the Vampire Slayer , the performances by these actors work their invitee role into important recurring character or even serial habitue .
Jessica Capshaw
Grey’s Anatomy
Grey ’s Anatomyis no alien to the character reference dollar volume that comes with such a long - running show . As a aesculapian drama , the program is consistently introduce patients that succumb to their illnesses or are healed and let go as well as doctors that move on to other hospitals , never to be seen again . Jessica Capshaw ’s character , Arizona Robbins , was ab initio written for a three - instalment spark , but her infectious smile and unique way of relating to her paediatric patient made her afan favourite amongGrey ’s Anatomyviewers .
It ’s severe to believe that Arizona was never meant to mentor Alex Karev as a pediatric surgeon , make it the infamous sheet clangour , or start up a kin with Callie Torres . Capshaw go along to portray Dr. Robbins from season five until her passing from the show in season fourteen .
Chris Pratt
Parks and Recreation
The iconic role , Andy Dwyer , was never stand for to survive outdoors of beingAnne ’s beau inParks and Recreation . histrion Chris Pratt was originally signed on for six episodes in season one , during which he would act as the catalyst for Anne Perkin ’s friendly relationship with Leslie Knope and , of course , bring attending to the infamous pit .
Pratt ’s depiction of the loveable and often dim - witted musician instantly endear witness as well as the producers to the lineament and by the end of time of year one , he was promoted to independent character . Pratt ’s extended role in the show allowed the role to evolve while also launching his film career and eventual stardom withGuardians of The GalaxyandJurassic World .
Luke Kirby
The Marvelous Mrs. Maisel
Luke Kirby ’s depiction of the legendary real - life comedian , Lenny Bruce , was only intend to featurein the pilot ofThe Marvelous Mrs. Maisel . In a 2019 interview withVanity Fair , Lord Amy Sherman - Palladino talk over Kirby ’s captivating depiction of the comedian and the exigent alchemy he share with lead actress Rachel Brosnahan .
Kirby ’s style of looking at Brosnahan in their scene draw the line between wonder and flirtation , build the perfect amount of tenseness and never coming across as predatory or manipulative . The recurring appearance of the character throughout the series tolerate Lenny to dissemble as a kind of wise man and intimate for Midge as she rises through the ranks of the comedy public .
Noel Fisher
Shameless
Noel Fisher joinedShamelessas the crass South Side hoodlum , Mickey Milkovich . The infamous neighborhood yobbo was only schedule for three episodes but Fisher ’s performance and masterful timing win over showrunner John Wells to write a more extensive plot for Mickey . Due to Fisher ’s schedule , he was often bill as a guest star despite starring in more episode than many other go back lineament .
Mickey Milkovich quick became a favorite among fans of the show , known for his repeatable one - liners and groundbreaking relationship with main character , Ian Gallagher . Ratings and interview opinion start out to suffer when Fisher left the show after season five but his return in the season nine finish rekindled interest for the pair and grant Mickey and Ian to build up intothe good couple inShameless .
Jane Widdop
Yellowjackets
player Jane Widdop ’s character , Laura Lee , was an integral part in Lottie ’s emanation to ability during season one ofYellowjackets , but the religiously motivate teammate was in the beginning never supposed to make it off the planing machine . The writers had plan for Laura Lee to die among her unlucky fellow association football players in the pilot installment but were so impressed during the table read , that they wrote more for Laura Lee ’s character .
Although at first glance , Laura Lee comes across as a prudish fictional character who would cause difficulty for others , Widdop ’s execution wrench a Hellenic trope into a complex reference with surprising bravery . Jane Widdop turned their two - sequence guest fleck into an eight - episode character arc .
Bella Ramsay
Game of Thrones
Bella Ramsey stunnedGame of Thronesviewers with her sinewy performance as the untried loss leader of Bear Island , Lyanna Mormont . Though the grapheme was only supposed to appear in one scene , the showrunners knew right away that Lyanna ’s news report needed to expand past her singular introduction .
Lyanna Mormont became an clamant hit with viewer who wanted to see more of the small girl who managed to successfully gain the regard of an total land . Later in the serial Lyanna wait on the Starks in elect Jon Snow and devotes her men to crusade in the Battle of Winterfell . The decision to fight alongside her men and give her life story for the interest of her people turn out her genuineness as a drawing card .
Aaron Paul
Breaking Bad
Breaking Badshowed one of the greatest dramatic couplet with characters Walter White and Jesse Pinkman , but that moral force was almost nonexistent . Creator Vince Gilligan planned for Aaron Paul ’s character , Jesse , to die by the terminal of the first time of year , acting as a origin of guilt for Walt ’s graphic symbol while also showing the interview that any character could be expendable .
By the time they were filming episode two , Gilligan had change his mind and decided that Jesse was an essential part of the chronicle . Aaron Paul ’s unique delivery of Jesse ’s billet help shape the case into a complex symbol of the duality of man . Jesse allows the audience to more clearly see how lost Walt becomes in his pursuit of ability .
Misha Collins
Castiel ofSupernaturalis another example of a quality whose three - sequence arc was plow into a principal theatrical role role with the help of fans . Misha Collins never thought he would become a lasting part of theSupernaturalcast but spectator loved the natural humor between Castiel and Dean and require to see more .
Creator Erik Kripke indulged the demand and began creating plotlines that would explore Castiel ’s dedication to commodity over evil and his struggle to accommodate to sprightliness on Earth . Castiel provided stack of amusing substitute through his attempt to pass for a human and get the hearts of viewer as he became part of Sam and Dean ’s home over the row of 12 years .
James Marsters
Buffy the Vampire Slayer
James Marsters’guest spot onBuffy the Vampire Slayeras Spike change by reversal into a serial - long character arc , much to the alarm of creator Joss Whedon who took issue with viewers ' affectionateness for the atrocious lamia . After terrorizing Sunnydale High School during Buffy ’s parent - teacher group discussion , Spike ’s architectural plan to vote down citizens to bring around his dear Drusilla is divulge and the lovers become the " Big Bad " of season two .
Spike ’s frequent return to Sunnydale provides much - needed humor and the score between himself and Buffy make the perfect amount of tension . The gradual fiber development of Spike from the baddie into the ultimate anti - hoagy remains one of the most telling effort ofBuffy .
Estelle Getty
Golden Girls
Few shows are as memorable or easily recognized asThe Golden Girlsbut many would be surprised to incur out that Estelle Getty was not in the beginning cast as a independent grapheme . The initial setup can be see in the pilot episode with Charles Levin playing the fourth theatrical role , Coco , the wise - cracking butler for Dorothy , Blanche and Rose .
Getty ’s character , Sophia Petrillo , was only destine to guest star in the casual installment but her chemistry with the other three women was too strong to disregard . Sophia replaced Coco as the fourth main theatrical role and was establish all of his comedic insults . The resulting dynamic of an all - female - led cast is what madeThe Golden Girlssuch a success .
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