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