Season 3, Episode 4 What I Am

First Aired: October 12, 2006

As Mark Sloan (Eric Dane) joins the staff, Addison, who's not at all happy about it, comes to doubt her medical skills. Meanwhile, Cristina pushes Burke's rehab; Meredith has a personal medical emergency; and Izzie gets a surprise. Fred Ward guest stars as Denny Duquette's father.

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Monday
May 18
1:00pm
LIFE

Guest Cast

Fred Ward Denny Duquette Sr.
Alan Blumenfeld Sean Sullivan