27 Actors You Forgot Were on Grey's Anatomy

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With special appearances from Demi Lovato and Edward Herrmann.

We all know Patrick Dempsey (Derek Shepherd), Ellen Pompeo (Meredith Grey) and Sandra Oh (Cristina Yang). But how well do you remember the guest stars and special appearances of Grey's Anatomy? Test yourself by scrolling through this list!

1. Sarah Paulson

www.ew.com

She played: a young Ellis Grey.

You might recognize her from: American Horror Story, Carol, Serenity

2. Christina Ricci

imdb.com

She played: Hannah Davies, an EMT.

You might recognize her from: The Addams Family, Sleepy Hollow, Penelope

3. Kyle Chandler

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He played: Dylan Young, a member of the bomb squad.

You might recognize him from: Friday Night Lights, The Wolf of Wall Street, Bloodline

4. Elizabeth Reaser

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She played: Rebecca Pope aka Ava, a facial reconstruction patient.

You might recognize her from: The Twilight Saga, Young Adult, The Good Wife

5. Seth Green

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He played: Nick Hanscrom, a patient who had a tumor removed from his neck.

You might recognize him from: Austin Powers in Goldmember, Family Guy, Buffy the Vampire Slayer

6. Demi Lovato

www.ew.com

She played: a suspected schizophrenic patient who tries to claw her own eyes out and stab herself in the heart with a syringe.

You might recognize her from: Camp Rock, Sonny with a Chance, and her music career

7. Mandy Moore

www.women.com

She played: Mary Portman, a pregnant patient who survived the hospital shooting but became comatose after a routine surgery.

You might recognize her from: A Walk to Remember, Tangled, This Is Us

8. Mae Whitman

www.j-14.com

She played: Heather Douglas, a patient with a severe case of VATER syndrome, which forces her to walk at a 90-degree angle.

You might recognize her from: Parenthood, Perks of Being a Wallflower, Avatar: The Last Airbender

9. Bernadette Peters

www.tvbuzzer.com

She played: a patient named Sarabeth who gets into a major car accident with her two friends and their husbands.

You might recognize her from: Anastasia, Mozart in the Jungle, Gypsy on Broadway

10. Jessica Stroup

www.tumblr.com

She played: Jilly, an Amish girl with Stage 4 cervical cancer.

You might recognize her from: 90210, Iron Fist, Prom Night

11. Zach Gilford

www.ew.com

He played: Charlie, a soldier who has his leg amputated.

You might recognize him from: Friday Night Lights, The Purge: Anarchy, The Family

12. Constance Zimmer

www.hollywoodreporter.com

She played: Dr. Alana Cahill, a consultant brought in to help the hospital try to recoup after the massive financial blow caused by the settlements from the plane crash.

You might recognize her from: unREAL, Entourage, House of Cards

13. Keke Palmer

www.ew.com

She played: Sheryll Jeffries, a pregnant teenager with a heart condition.

You might recognize her from: Grease Live, Scream Queens, True Jackson, VP

14. Abigail Breslin

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She played: Megan, a patient with congenital insensitivity to pain with anhidrosis, a condition that kept her from feeling pain.

You might recognize her from: Little Miss Sunshine, Zombieland, Scream Queens

15. Neve Campbell

hollywoodreporter.com

She played: Dr. Lizzie Shepherd, one of Derek's sisters.

You might recognize her from: House of Cards, Scream, Party of Five

16. Sarah Chalke

thr.com

She played: Casey, a mother advocating for her son, Parker's previous multiple misdiagnoses.

You might recognize her from: Scrubs, Rick and Morty, How I Met Your Mother

17. Scott Foley

Walt Disney Studios Home Entertainment

He played: Henry Burton, Teddy's husband.

You might recognize him from: Scandal, True Blood, The Goodwin Games

18. Josh Malina

www.ew.com

He played: Seth Hammer, the husband of a hypochondriac patient.

You might recognize him from: The West Wing, Scandal, A Few Good Men

19. Katie Lowes

www.people.com

She played: an unnamed blood donor.

You might recognize her from: *Scandal, Big Hero 6, * and various voice acting gigs

20. Liza Weil

www.ew.com

She played: Alison, a cancer patient who was one of Izzie's chemo buddies.

You might recognize her from: Gilmore Girls, How to Get Away with Murder, Bunheads

21. Dylan Minnette

Grey's Anatomy Wikia

He played: Ryan, a young boy who was born with the ability to hear, but without external ears.

You might recognize him from: 13 Reasons Why, Saving Grace, Scandal

22. Edward Herrmann

wetpaint.com

He played: Norman, an intern who is a little bit older than his peers.

You might recognize him from: Gilmore Girls, The Wolf of Wall Street, The Aviator

23. Hilarie Burton

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She played: Dr. Lauren Boswell, a craniofacial surgeon who sleeps with Arizona.

You might recognize her from: One Tree Hill, White Collar, Surprised by Love

24. Vanessa Marano

abc.com

She played: Holly, a patient who had been kidnapped.

You might recognize her from: Switched at Birth, Gilmore Girls, Dexter

25. Theo Rossi

abc.com

He played: Stan, a paramedic who is fatally wounded when another ambulance crashes into his.

You might recognize him from: Sons of Anarchy, Luke Cake, Lowriders

26. Maggie Siff

abc.com

She played: Ruthie, a woman addicted to exercise.

You might recognize her from: Sons of Anarchy, The 5th Wave, Mad Men

27. Faye Dunaway

abc.com

She played: Dr. Margaret Campbell, an experienced doctor who clashes with Cristina.

You might recognize her from: Bonnie and Clyde, Chinatown, Network*


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