Grey's Anatomy — S5E17

Episode: I Will Follow You Into the Dark

Air Date: 2009-03-12

Runtime: 43 min

Rating: 8.4 (15 votes)

Overview

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."

Main Cast ▼

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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