Anthony EdwardsDr. Mark Greene
George ClooneyDr. Doug Ross
Eriq La SalleDr. Peter Benton
Noah WyleDr. John Carter
Julianna MarguliesHead Nurse Carol Hathaway
Gloria ReubenJeanie Boulet
Laura InnesDr. Kerry Weaver
Alex KingstonDr. Elizabeth Corday
Maria BelloDr. Anna Del Amico
Kelsey MulrooneySophie
Mickey RooneyDr. George Bikel
Ed LauterFire Captain Dannaker
Bellina LoganNurse Kit
Christine HealyHospital Administrator Harriet Spooner
Michael KaganChuck Arteburn
Laura CerónNurse Chuny Marquez
Deezer DNurse Malik McGrath
Lily MariyeNurse Lily Jarvik
Kristin MinterRandi Fronczak
Gedde WatanabeNurse Yosh Takata
Emily WagnerDoris Pickman