Dana Delany
Dr. Rae Brennan (16 eps)
Paul Blackthorne
Dr. Matt Slingerland (16 eps)
David Kaufman
Norman Drum (16 eps)
Anna Deavere Smith
Dr. Letty Jordan (16 eps)
Blythe Danner
Dr. Harriet Lanning (16 eps)
Jennifer Siebel Newsom
Cyndy Lloyd (16 eps)
Julianne Nicholson
Dr. Jules Keating (16 eps)
Oded Fehr
Dr. Nicholas Kokoris (16 eps)
Sasha Alexander
Dr. Jackie Collette (16 eps)
Chase Masterson
Caroline Franklin (16 eps)
Robert Knepper
Sean (5 eps)
Lynn Meneses
Nurse (uncredited) (4 eps)
Kenneth Choi
Dennis (3 eps)
Alice Amter
Amira (3 eps)
Christine Baranski
Dr. Terry Howland (2 eps)
Mark Moses
Nathan (2 eps)
P.J. Byrne
Dr. Whitby (1 eps)
Melissa Gilbert
Grace Bennett (1 eps)
Hallie Eisenberg
Grace Rothman (1 eps)
Mae Whitman
Tory Redding (1 eps)
Niecy Nash-Betts
Nurse (1 eps)
Richard Lewis
Francis Weinod (1 eps)
Josh Clark
Attending (1 eps)
Red Buttons
Chick (1 eps)
Lisa Edelstein Russell
Janine Rothman (1 eps)