Special Guest Stars Eric Dane as Dr. Mark Sloan Patrick Dempsey as Dr. Derek Shepherd Chandra Wilson as Dr. Miranda Bailey James Pickens, Jr. as Dr. Richard Webber Justin Chambers as Dr. Alex Karev Guest Stars Grant Show as Dr. Archer Montgomery Ben Shenkman as Rob Harmon Jennifer Westfeldt as Jen Harmon Abigail Spencer as Rachel Steven W. Bailey as Joe Co Starring Jeffrey Nicholas-Brown as Andrew
