Marcia Gay Harden
Dr. Leanne Rorish (16 eps)
Luis Guzmán
Jesse Salander (16 eps)
Benjamin Hollingsworth
Mario Savetti (16 eps)
Melanie Chandra
Malaya Pineda (16 eps)
Harry M. Ford
Angus Leighton (16 eps)
William Allen Young
Dr. Rollie Guthrie (16 eps)
Jillian Murray
Heather Pinkney (16 eps)
Tommy Dewey
Mike Leighton (16 eps)
Boris Kodjoe
Dr. Will Campbell (16 eps)
Rob Lowe
Dr. Ethan Willis (16 eps)
