I Will Follow You Into the Dark
EpisodeS5E1743 min2009-03-12

Grey's Anatomy

I Will Follow You Into the Dark

Derek decides to quit after learning that more of his patients have died than survived; Izzie's interns make an unsettling discovery about "Patient X."

My Thoughts
Guest Stars
Special appearances in this episode.

Guest Stars

Jessica Capshaw

Arizona Robbins

Loretta Devine

Adele Webber

Gloria Garayua

Intern Graciella

Mark Saul

Steve

Wendy Hoopes

Tricia Shelley

Erin Cahill

Megan Shelley

Michael Rady

Michael Shelley

Candice Afia

Intern Laura

Nicole Cummins-Rubio

Paramedic Nicole

Molly Kidder

Intern Megan

Brandon Scott

Ryan Spalding

Joe Williamson

Intern Pierce

Winston Story

Intern Leo

Amrapali Ambegaokar

Intern Dani

Tymberlee Hill

Intern Claire

Susane Lee

Beth Dearborn

Phil Abrams

Dr. John Nelson

B.K. Cannon

Girl Band Geek

Marcus McGee

Boy Band Geek

Crew
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JB

Jenna Bans

Writer

Writing

RC

Rob Corn

Director

Directing

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