17 More Grey's Anatomy Guest Stars You've Probably Forgotten

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As Grey's Anatomy Season 15 comes to a close, we can't help but remember those stars who helped build this show into what it is today.

Grey's Anatomy has been a stepping stone for those new to the business, as well as a place for name brand actors to make an exciting appearance.

The list of guest stars is extensive, and thanks to Shonda we're lucky to enjoy limitless Grade-A acting.

Related: 27 Celebrities You Probably Forgot Were On Grey's Anatomy

Some of these actors you may recognize from your favorite childhood movies, top rated TV shows, or small indie films. Others may be unrecognizable due to the incredible makeup on the show. 

Leave us any comments below with any we may have missed. But don't forget to check out this slideshow's prequel for a few more familiar faces. 

If you want to see how they all look in action, you can watch Grey's Anatomy online via TV Fanatic.

 

 

1. Dylan Minnette

Dylan Minnette
Dylan Minnette is such a baby during his Grey's Anatomy Season 4 Episode 5 debut. His character, Ryan, trick-or-treats for ears from Mark Sloan. He's now the star of the Netflix original series 13 Reasons Why.

2. Teddy Dunn

Teddy Dunn
Known for his role on the classic Veronica Mars, Teddy Dunn made an appearance on Grey's Anatomy Season 2 Episode 20 as a hockey player who cuts his off his own finger in an attempt to play and impress the scouts.

3. Elizabeth Reaser

Elizabeth Reaser
Alex Karev's patient turned love interest, Rebecca Pope was portrayed by Elizabeth Weaser. Rebecca was brought in after the major ferry crash that devastated the city on Grey's Anatomy Season 3 Episode 15. Perhaps you've seen Weaser in the Netflix original series The Haunting or way back when as Edward Cullen's mom Esme Cullens.

4. Hilarie Burton

Hilarie Burton
Hilarie Burton came onto Grey's Anatomy Season 9 as Lauren Boswell a specialized surgeon who assists one of Arizona's cases and eventually becomes the woman Arizona cheats with. Hilarie is most notably known for her portrayal as Peyton Sawyer on One Tree Hill.

5. Martha Plimpton

Martha Plimpton
Martha Plimpton from the TV show Raising Hope portrayed Pam Michaelson, a mother on Grey's Anatomy Season 6 Episode 1, whose son was suffering from pain unrelated to his original treatment. Her insurance wouldn't cover the treatment so she was sent away, but she fought hard for her son and was able to get to the root of his diagnosis.

6. Millie Bobby Brown

Millie Bobby Brown
Millie Bobby Brown has gained recent traction with her breakout role as Eleven from Stranger Things. In her small guest role as Ruby on Grey's Anatomy Season 11 Episode 15, she saved her mom's life after being instructed over the phone by doctors how to perform a thoracotomy.

Wait! There's more More Grey's Anatomy Guest Stars You've Probably Forgotten! Just click "Next" below:

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Show:
Grey's Anatomy
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Photo Galleries
Episodes:
Grey's Anatomy Season 4 Episode 16: "Freedom", Grey's Anatomy Season 2 Episode 21: "Band-Aid Covers the Bullet Hole", Grey's Anatomy Season 6 Episode 1: "Good Mourning", Grey's Anatomy Season 3 Episode 15: "Walk On Water", Grey's Anatomy Season 11 Episode 24: "You're My Home", Grey's Anatomy Season 9 Episode 19: "Can't Fight This Feeling", Grey's Anatomy Season 6 Episode 15: "Time Warp", Grey's Anatomy Season 15 Episode 21: "Good Shepherd", Grey's Anatomy Season 3 Episode 3: "Sometimes a Fantasy", Grey's Anatomy Season 4 Episode 5: "Haunt You Every Day", Grey's Anatomy Season 6 Episode 24: "Death and All His Friends", Grey's Anatomy Season 11 Episode 15: "I Feel the Earth Move", Grey's Anatomy Season 6 Episode 22: "Shiny Happy People", Grey's Anatomy Season 15 Episode 4: "Momma Knows Best", Grey's Anatomy Season 9 Episode 14: "The Face of Change", Grey's Anatomy Season 5 Episode 1: "Dream a Little Dream of Me"
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Grey's Anatomy Season 4 Episode 16 Quotes

Where have you been?! I've been waiting and waiting for you! And I did this stupid, embarrassing, humiliating, corny thing. And I was just gonna tell you that, this over here is our kitchen and this is our living room, and over there that's the room our kids could play. I had this whole thing about I was gonna build us a house, but I don't build houses because I'm a surgeon. And now I'm here feeling like a lame ass loser. I got all whole and healed and you don't show up. And now it's all ruined because you took so long to come home! And I couldn't even find that bottle of champagne ... (Derek holds up the bottle and smiles)

Meredith

Derek: Meredith....
Meredith: Stupid, corny, idiotic, I can't believe I did this. Stupid, loser, son of a ... I could be at home instead of ... oh
Derek: Meredith....