Summary

It ’s rare that a television show get going and stop with only the original cast , but it ’s often that an actor sum up in the late seasons becomes a lively factor of the show . While the character that the actor embodies determines how they ’ll be received , it ’s what the doer brings to the role that matters . Their chemistry with the other doer , performance , and commitment to the series watch if they ’ll become part of the principal cast and synonymous with the show .

While a new character might not always feel necessary , specially to consecrate audience , it ’s not uncommon for a show to need a little help pee the story exciting again . ofttimes , after season 1 , when the show has establish what it is and what it ’s about , there need to be major changes in time of year 2 to cement it as a quality piece of media . Or , in later years , the rule of a show can raise stale , which expect a new actor to penetrate the serial with new life and cue viewers why they loved it .

10Adam Scott & Rob Lowe

Ben Wyatt & Chris Traeger in Parks & Recreation Season 2

Cast

Of all thecharacters added after season 1 onParks and Recreation , Ben and Chris are easily the best . Ben became the primary love interest , and later married man of the protagonist , Leslie Knope ( Amy Poehler ) , and Chris paired off with Ann ( Rashida Jones ) , forming two of the sweetest relationship on the show . Outside their romantic traffic , the two fictitious character brought a lot of playfulness to the series , especiallyLowe , whose muscularity as Chris became a recur joke . Additionally , Scott establish splendid range as Ben , drop dead from a no - frill auditor to a lovable nerd with strong comedic timing .

9Ed Helms

Andy in The Office Season 3

The Officewent through some major changes in time of year 3 , include bring out several novel characters , like Andy . While not every new eccentric lasted until the final season , Helm ’s Andy did because of his willingness to go the extra geographical mile in every shot . Sincethe series was commence ready to finally get Pam ( Jenna Fischer ) and Jim ( John Krasinski ) together , the writers were aware that a good good deal of the dramatic tensions would blow over after that . shed Helms and include Andy as a lineament shook up the dynamic of Dunder - Mifflin and provided another component of drama for the show .

8Victoria Pedretti

Love Quinn in You Season 2

WhileYouhas become a runaway striking for Netflix , its first season premiered on Lifetime and did n’t garner the popularity it did until it moved to the streamer . However , season 1 , which was base on a novel , tells a clean narrative that did n’t go away much open for the 2nd season . Choosing Pedretti to play Joe ’s ( Penn Badgley ) Modern love interest was an inspired decision , as was making her lineament Love more than just another victim .

Pedretti was able to capture the sweet but violent nature of Love skilfully , making her an equal to Joe , and escaping the one - dimensional characterization that Joe forces onto cleaning lady . Though Love stand a similar destiny to Joe ’s other lovers , the series still let in Pedretti wherever it can . Since Pedretti ’s season , Youhas frequently had to reinvent itself , so the whodunnit formula does n’t become predictable and get home the point that the serial condemns Joe and thatJoe is doomed inYouseason 5 .

7Paget Brewster

Emily Prentiss in Criminal Minds Season 2

For a show that had an original running of sixteen seasons , a not bad turn of actors outride with the show until the very end . Part of this was due to the popularity of the show , as well as the imaginative cases in every sequence , which made it a joy to observe and fun to perform . Emily Prentiss joins the Behavioral Analysis Unit in season 2 , not long after Lola Glaudini ’s departure , and quickly found herself as a skilled investigator who is n’t to be messed with .

For many seasons , Brewster ’s Prentiss is a force of nature who does n’t show any failing , but it ’s in the moments when her backstory is revealed and her emotion come to the surface that read why Brewster was chosen to be Prentiss . Though the team is slow to assume her at first , the rest of the BAU soon develops the same fierce loyalty to her that they have for each other . By the end of the series , it ’s disgraceful to remember that she was once a newcomer , and not always a gist member of the squad .

The reboot of Criminal Minds is bringing back fan - favorite part Emily Prentiss , so now is the time to revisit her better episodes .

Split Image Emily Prentiss Criminal Minds

6Misha Collins

Castiel in Supernatural Season 4

Supernaturalevolved over the year , and by time of year 4 , it need an expansion of its globe . Sam ( Jared Padalecki ) and Dean ( Jensen Ackles ) were take up on bigger threats , and the stake were higher , so it only made sense to include a young character who could help them on their way . Enter Castiel , an Angel Falls play by Collins who became an institution for the show and fanbase . Castiel put up a fresh perspective for Sam and Dean to work with , and Collins grew to be universally adore by watcher , juxtapose the serious on - screen angel , with his charm and humor as a somebody .

5Danny DeVito

Frank in It’s Always Sunny In Philadelphia Season 2

Watching time of year 1 ofIt ’s Always gay in Philadelphiais like watching a completely different show . The pack without Frank in it just is n’t the gang , and when DeVito link the mold in season 2 , it ’s a substitute . As a comedic old stager , he lent believability to the neophyte show in its infancy , and as a performer , he connect with the other cast extremity , especially Charlie ( Charlie Day ) . It ’s difficult to do it what a show is miss until it ’s there , and any edition of the serial without him would n’t be the show that rest a hallmark of television to this day .

4J.B. Smoove

Leon Black in Curb Your Enthusiasm Season 6

Larry David’sCurb Your Enthusiasmis a uproarious show , but watching Larry be completely unappealing in every installment can get tiring . rove Smoove as Leon in time of year 6 , then promoting him to the main plaster bandage , was one of the best choices the show ever made . He well handle Larry ’s ill-humoured waysand brings his own fashion of comedy to the show . Anyone who joins the hurl has to be a strong improviser and Smoove is fantastic . ThoughCurbwasn’t ache before he fall in , it was beginning to repetitive and needed to expand its cast and storey to remain relevant .

3Mike Farrell

B.J. Hunnicutt in MASH Season 3

Wayne Rogers ' Trapper leavingMASHwas one of the sorry moments of the serial . He was Hawkeye ’s ( Alan Alda ) best friend and invariant companion , so the series was cognisant that anyone who replaced him would have to be awesome . participate Farrell as B.J. Hunnicutt , Hawkeye ’s new married person in crime , and more than just a replacement for Trapper . The serial publication was careful to verify that Hunnicutt was singular , and not just a carbon paper transcript of Trapper . Luckily , Farrell was capable to found his recess within the show and make Hunnicutt unforgettable in his own rightfulness .

2Giancarlo Esposito

Gus Fring in Breaking Bad Season 2

Gus Fring is one of the greatest fictitious character , and certainly the most terrifying villain in all ofBreaking Bad . No one could have embodied him quite as well as Esposito and turned him into the iconic nemesis of Walter White ( Bryan Cranston ) . After season 1 , the show was praised for its characters and piece of writing , but it was percipient thatWalter White need an antagonist worthy of him , who would lead him down his path of cruelness . Gus was the pure innovation for this role , and Esposito was able to capture the sum of a man with no compunction .

1James Marsters

Spike in Buffy The Vampire Slayer Season 2

There are someharsh reality of Spike ’s grapheme onBuffy The Vampire Slayer , but that does n’t change what a compelling and vital summation he was to the show . Although it ’s hard to reckon now , time of year 1 ofBuffywas not a ratings hit , and the show call for to revamp itself to rest relevant for season 2 . Introducing Spike was a stroke of mavin , as he not only made a terrifying swelled high-risk but ended up becoming one of the biggest characters in the series .

His chemistry with Buffy ( Sarah Michelle Gellar ) and the relief of the mould aside , Marsters is an first-class actor who leveled up the series and aid it come into its own . He was a complex and accessible baddie who was just as funny as he was terrify , and the prototype for the nuanced antagonists that the series would become known for . No one could have study on the character of Spike except Marsters , who fostered the character through many iterations and handled his ontogenesis handily .

Cassian in Andor Season 2

Tony Khan and Sting merged image

(Misha-Collins-as-Castiel)-from-Supernatural-&-(James-Marsters-as-Spike)-From-Buffy-the-Vampire-Slayer-&-(Paget-Brewster-as-Emily-Prentiss)-from-Criminal-Minds

Ben and Chris pretend to put glasses on in Parks and Recreation

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Victoria Pedretti as Love Quinn with a very serious look on her face in You

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Misha Collins as Castiel in Supernatural.

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