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31 TV Actors Who Weren't In The First Episode, But Ultimately Changed Their Shows For The Better

Noah Reid showing up as Patrick on Schitt's Creek was a gift.

There are a ton of amazing TV characters out there, and while some have been on shows since day one, others came along a little later. So, here are some of the best TV characters that showed up after the first episode and became memorable:

🚨Some spoilers ahead!🚨

1. Andrew Scott as the Priest on Fleabag

The Priest saying, "Cheers! May these be the worst of our days." And Fleabag turning to the camera and saying, "Don't know who this guy is"

2. Maya Hawke as Robin Buckley on Stranger Things

Robin telling Steve, "Hey, dingus, your children are here" after Mike and his friends arrive at Scoops Ahoy

3. Noah Reid as Patrick Brewer on Schitt's Creek

David telling Patrick that he is "oscillating" between two ideas for the name of his business

4. Lamorne Morris as Winston Bishop on New Girl

Jess meeting Winston for the first time and scaring him

5. Sophia Bush as Brooke Davis on One Tree Hill

Brooke telling Peyton, "So, that's the boy that beat Nathan? Well, he looks good from behind"

6. Eric Dane as Mark Sloan on Grey's Anatomy

Mark meeting Meredith and hitting on her

7. Chyler Leigh as Lexie Grey on Grey's Anatomy

Lexie meeting Derek in a bar and asking to buy him a drink

8. Samira Wiley as Poussey Washington on Orange Is the New Black

Poussey trying to buy headphones for movie night, but they are sold out

9. Misha Collins as Castiel on Supernatural

Castiel introducing himself to Dean and saying, "I’m the one who gripped you tight and raised you from perdition"

10. Noel Fisher as Mickey Milkovich on Shameless

Mickey yelling, "Ian Gallagher, you messed with the wrong girl"

11. Milo Ventimiglia as Jess Mariano on Gilmore Girls

Luke and Jess awkwardly greeting each other after Jess steps off a bus

12. A.J. Cook as Jennifer "JJ" Jareau on Criminal Minds

JJ introducing herself to Elle

13. Emily Bett Rickards as Felicity Smoak on Arrow

Oliver in the IT department meeting Felicity for the first time

14. Danai Gurira as Michonne on The Walking Dead

Michonne alongside her two armless walkers

15. Colin O'Donoghue as Killian Jones/Hook on Once Upon a Time

16. Alycia Debnam-Carey as Lexa on The 100

Lexa telling Kane and Jaha, while pretending to be a prisoner, "They want justice"

17. Joseph Morgan as Klaus Mikaelson on The Vampire Diaries

Klaus returning to his body in present day for the first time and saying, "Now that's more like it"

18. Harry Shum Jr. as Mike Chang on Glee

19. Adam Scott and Rob Lowe as Ben Wyatt and Chris Traeger on Parks and Rec

Chris and Ben meeting Leslie and Ron and Chris asking for a tour

20. Cicely Tyson as Ophelia Harkness on How to Get Away with Murder

Ophelia meeting Bonnie and Frank for the first time and asking where Annalise was

21. Katherine Barrell as Nicole Haught on Wynonna Earp

Nicole and Waverly meeting in Shorty's for the first time

22. Katie McGrath as Lena Luthor on Supergirl

Lena explaining to Kara that she wanted to get out of Lex's shadow and make a name for herself outside of her family

23. Henry Ian Cusick as Desmond Hume on Lost

24. Maya Rudolph as the Judge on The Good Place

Judge scaring Eleanor, Jason, Chidi, and Tahani while they are talking to a burrito

25. Gwendoline Christie as Brienne of Tarth on Game of Thrones

Brienne asking Renly for a place in his Kingsguard

26. Tyler Blackburn as Caleb Rivers on Pretty Little Liars

Hanna and Caleb arguing and Hanna telling Caleb, "You know, you don't know the first thing about me"

27. Vanessa Morgan as Toni Topaz on Riverdale

Toni meeting Jughead at Southside High

28. James Marsters as Spike on Buffy the Vampire Slayer

Spike arriving in Sunnydale and saying, "Home sweet home"

29. Amy Acker as Winifred "Fred" Burkle on Angel

Fred warning Cordelia not to take the collar off or else her head will implode and they won't be able to talk anymore

30. Aimee Garcia as Ella Lopez on Lucifer

Ella and Lucifer meeting at a crime scene for the first time

31. And finally, Bob Odenkirk as Saul Goodman on Breaking Bad

What other TV characters showed up after the first episode and completely won you over? Tell us in the comments below!