Dr. Andy Campbell(Patricia Richardson)
Dr. Luisa 'Lu' Delgado(Rosa Blasi)
Lana Hawkins(Jenifer Lewis)
Peter Riggs(Joshua Cox)
Dr. Robert Jackson(Philip Casnoff)
Dr. Kayla Thornton(Tamera Mowry)
Dr. Dana Stowe(Janine Turner)
Dr. Nick Biancavilla(Brennan Elliott)